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b908f067 UH |
1 | /* |
2 | * This file is part of the sigrok project. | |
3 | * | |
4 | * Copyright (C) 2011-2012 Uwe Hermann <uwe@hermann-uwe.de> | |
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 2 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, write to the Free Software | |
18 | * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA | |
19 | */ | |
20 | ||
21 | #include <ftdi.h> | |
22 | #include <glib.h> | |
23 | #include <string.h> | |
45c59c8b BV |
24 | #include "libsigrok.h" |
25 | #include "libsigrok-internal.h" | |
b908f067 UH |
26 | #include "driver.h" |
27 | ||
28 | static GSList *dev_insts = NULL; | |
29 | ||
74e5f12d UH |
30 | /* |
31 | * The ChronoVu LA8 can have multiple PIDs. Older versions shipped with | |
32 | * a standard FTDI USB VID/PID of 0403:6001, newer ones have 0403:8867. | |
33 | */ | |
34 | static const uint16_t usb_pids[] = { | |
35 | 0x6001, | |
36 | 0x8867, | |
37 | }; | |
38 | ||
b908f067 UH |
39 | /* Function prototypes. */ |
40 | static int hw_dev_acquisition_stop(int dev_index, void *cb_data); | |
41 | ||
42 | static int hw_init(const char *devinfo) | |
43 | { | |
44 | int ret; | |
45 | struct sr_dev_inst *sdi; | |
46 | struct context *ctx; | |
74e5f12d | 47 | unsigned int i; |
b908f067 UH |
48 | |
49 | /* Avoid compiler errors. */ | |
50 | (void)devinfo; | |
51 | ||
52 | /* Allocate memory for our private driver context. */ | |
53 | if (!(ctx = g_try_malloc(sizeof(struct context)))) { | |
54 | sr_err("la8: %s: struct context malloc failed", __func__); | |
55 | goto err_free_nothing; | |
56 | } | |
57 | ||
58 | /* Set some sane defaults. */ | |
59 | ctx->ftdic = NULL; | |
60 | ctx->cur_samplerate = SR_MHZ(100); /* 100MHz == max. samplerate */ | |
61 | ctx->limit_msec = 0; | |
62 | ctx->limit_samples = 0; | |
63 | ctx->session_dev_id = NULL; | |
64 | memset(ctx->mangled_buf, 0, BS); | |
65 | ctx->final_buf = NULL; | |
66 | ctx->trigger_pattern = 0x00; /* Value irrelevant, see trigger_mask. */ | |
67 | ctx->trigger_mask = 0x00; /* All probes are "don't care". */ | |
68 | ctx->trigger_timeout = 10; /* Default to 10s trigger timeout. */ | |
69 | ctx->trigger_found = 0; | |
70 | ctx->done = 0; | |
71 | ctx->block_counter = 0; | |
72 | ctx->divcount = 0; /* 10ns sample period == 100MHz samplerate */ | |
73 | ||
74 | /* Allocate memory where we'll store the de-mangled data. */ | |
75 | if (!(ctx->final_buf = g_try_malloc(SDRAM_SIZE))) { | |
76 | sr_err("la8: %s: final_buf malloc failed", __func__); | |
77 | goto err_free_ctx; | |
78 | } | |
79 | ||
80 | /* Allocate memory for the FTDI context (ftdic) and initialize it. */ | |
81 | if (!(ctx->ftdic = ftdi_new())) { | |
82 | sr_err("la8: %s: ftdi_new failed", __func__); | |
83 | goto err_free_final_buf; | |
84 | } | |
85 | ||
86 | /* Check for the device and temporarily open it. */ | |
74e5f12d UH |
87 | for (i = 0; i < ARRAY_SIZE(usb_pids); i++) { |
88 | sr_dbg("la8: Probing for VID/PID %04x:%04x.", USB_VENDOR_ID, | |
89 | usb_pids[i]); | |
90 | ret = ftdi_usb_open_desc(ctx->ftdic, USB_VENDOR_ID, | |
91 | usb_pids[i], USB_DESCRIPTION, NULL); | |
92 | if (ret == 0) { | |
93 | sr_dbg("la8: Found LA8 device (%04x:%04x).", | |
94 | USB_VENDOR_ID, usb_pids[i]); | |
95 | ctx->usb_pid = usb_pids[i]; | |
96 | } | |
b908f067 | 97 | } |
74e5f12d UH |
98 | |
99 | if (ctx->usb_pid == 0) | |
100 | goto err_free_ftdic; | |
b908f067 UH |
101 | |
102 | /* Register the device with libsigrok. */ | |
103 | sdi = sr_dev_inst_new(0, SR_ST_INITIALIZING, | |
104 | USB_VENDOR_NAME, USB_MODEL_NAME, USB_MODEL_VERSION); | |
105 | if (!sdi) { | |
106 | sr_err("la8: %s: sr_dev_inst_new failed", __func__); | |
107 | goto err_close_ftdic; | |
108 | } | |
109 | ||
110 | sdi->priv = ctx; | |
111 | ||
112 | dev_insts = g_slist_append(dev_insts, sdi); | |
113 | ||
114 | sr_spew("la8: Device init successful."); | |
115 | ||
116 | /* Close device. We'll reopen it again when we need it. */ | |
117 | (void) la8_close(ctx); /* Log, but ignore errors. */ | |
118 | ||
119 | return 1; | |
120 | ||
121 | err_close_ftdic: | |
122 | (void) la8_close(ctx); /* Log, but ignore errors. */ | |
123 | err_free_ftdic: | |
124 | free(ctx->ftdic); /* NOT g_free()! */ | |
125 | err_free_final_buf: | |
126 | g_free(ctx->final_buf); | |
127 | err_free_ctx: | |
128 | g_free(ctx); | |
129 | err_free_nothing: | |
130 | ||
131 | return 0; | |
132 | } | |
133 | ||
134 | static int hw_dev_open(int dev_index) | |
135 | { | |
136 | int ret; | |
137 | struct sr_dev_inst *sdi; | |
138 | struct context *ctx; | |
139 | ||
140 | if (!(sdi = sr_dev_inst_get(dev_insts, dev_index))) { | |
141 | sr_err("la8: %s: sdi was NULL", __func__); | |
142 | return SR_ERR_BUG; | |
143 | } | |
144 | ||
145 | if (!(ctx = sdi->priv)) { | |
146 | sr_err("la8: %s: sdi->priv was NULL", __func__); | |
147 | return SR_ERR_BUG; | |
148 | } | |
149 | ||
150 | sr_dbg("la8: Opening LA8 device (%04x:%04x).", USB_VENDOR_ID, | |
74e5f12d | 151 | ctx->usb_pid); |
b908f067 UH |
152 | |
153 | /* Open the device. */ | |
154 | if ((ret = ftdi_usb_open_desc(ctx->ftdic, USB_VENDOR_ID, | |
74e5f12d | 155 | ctx->usb_pid, USB_DESCRIPTION, NULL)) < 0) { |
b908f067 UH |
156 | sr_err("la8: %s: ftdi_usb_open_desc: (%d) %s", |
157 | __func__, ret, ftdi_get_error_string(ctx->ftdic)); | |
158 | (void) la8_close_usb_reset_sequencer(ctx); /* Ignore errors. */ | |
159 | return SR_ERR; | |
160 | } | |
161 | sr_dbg("la8: Device opened successfully."); | |
162 | ||
163 | /* Purge RX/TX buffers in the FTDI chip. */ | |
164 | if ((ret = ftdi_usb_purge_buffers(ctx->ftdic)) < 0) { | |
165 | sr_err("la8: %s: ftdi_usb_purge_buffers: (%d) %s", | |
166 | __func__, ret, ftdi_get_error_string(ctx->ftdic)); | |
167 | (void) la8_close_usb_reset_sequencer(ctx); /* Ignore errors. */ | |
168 | goto err_dev_open_close_ftdic; | |
169 | } | |
170 | sr_dbg("la8: FTDI buffers purged successfully."); | |
171 | ||
172 | /* Enable flow control in the FTDI chip. */ | |
173 | if ((ret = ftdi_setflowctrl(ctx->ftdic, SIO_RTS_CTS_HS)) < 0) { | |
174 | sr_err("la8: %s: ftdi_setflowcontrol: (%d) %s", | |
175 | __func__, ret, ftdi_get_error_string(ctx->ftdic)); | |
176 | (void) la8_close_usb_reset_sequencer(ctx); /* Ignore errors. */ | |
177 | goto err_dev_open_close_ftdic; | |
178 | } | |
179 | sr_dbg("la8: FTDI flow control enabled successfully."); | |
180 | ||
181 | /* Wait 100ms. */ | |
182 | g_usleep(100 * 1000); | |
183 | ||
184 | sdi->status = SR_ST_ACTIVE; | |
185 | ||
186 | return SR_OK; | |
187 | ||
188 | err_dev_open_close_ftdic: | |
189 | (void) la8_close(ctx); /* Log, but ignore errors. */ | |
190 | return SR_ERR; | |
191 | } | |
192 | ||
193 | static int hw_dev_close(int dev_index) | |
194 | { | |
195 | struct sr_dev_inst *sdi; | |
196 | struct context *ctx; | |
197 | ||
198 | if (!(sdi = sr_dev_inst_get(dev_insts, dev_index))) { | |
199 | sr_err("la8: %s: sdi was NULL", __func__); | |
200 | return SR_ERR_BUG; | |
201 | } | |
202 | ||
203 | if (!(ctx = sdi->priv)) { | |
204 | sr_err("la8: %s: sdi->priv was NULL", __func__); | |
205 | return SR_ERR_BUG; | |
206 | } | |
207 | ||
208 | sr_dbg("la8: Closing device."); | |
209 | ||
210 | if (sdi->status == SR_ST_ACTIVE) { | |
211 | sr_dbg("la8: Status ACTIVE, closing device."); | |
212 | /* TODO: Really ignore errors here, or return SR_ERR? */ | |
213 | (void) la8_close_usb_reset_sequencer(ctx); /* Ignore errors. */ | |
214 | } else { | |
215 | sr_spew("la8: Status not ACTIVE, nothing to do."); | |
216 | } | |
217 | ||
218 | sdi->status = SR_ST_INACTIVE; | |
219 | ||
220 | sr_dbg("la8: Freeing sample buffer."); | |
221 | g_free(ctx->final_buf); | |
222 | ||
223 | return SR_OK; | |
224 | } | |
225 | ||
226 | static int hw_cleanup(void) | |
227 | { | |
228 | GSList *l; | |
229 | struct sr_dev_inst *sdi; | |
230 | int ret = SR_OK; | |
231 | ||
232 | /* Properly close all devices. */ | |
233 | for (l = dev_insts; l; l = l->next) { | |
234 | if (!(sdi = l->data)) { | |
235 | /* Log error, but continue cleaning up the rest. */ | |
236 | sr_err("la8: %s: sdi was NULL, continuing", __func__); | |
237 | ret = SR_ERR_BUG; | |
238 | continue; | |
239 | } | |
240 | sr_dev_inst_free(sdi); /* Returns void. */ | |
241 | } | |
242 | g_slist_free(dev_insts); /* Returns void. */ | |
243 | dev_insts = NULL; | |
244 | ||
245 | return ret; | |
246 | } | |
247 | ||
248 | static const void *hw_dev_info_get(int dev_index, int dev_info_id) | |
249 | { | |
250 | struct sr_dev_inst *sdi; | |
251 | struct context *ctx; | |
252 | const void *info; | |
253 | ||
254 | if (!(sdi = sr_dev_inst_get(dev_insts, dev_index))) { | |
255 | sr_err("la8: %s: sdi was NULL", __func__); | |
256 | return NULL; | |
257 | } | |
258 | ||
259 | if (!(ctx = sdi->priv)) { | |
260 | sr_err("la8: %s: sdi->priv was NULL", __func__); | |
261 | return NULL; | |
262 | } | |
263 | ||
264 | sr_spew("la8: %s: dev_index %d, dev_info_id %d.", __func__, | |
265 | dev_index, dev_info_id); | |
266 | ||
267 | switch (dev_info_id) { | |
268 | case SR_DI_INST: | |
269 | info = sdi; | |
270 | sr_spew("la8: %s: Returning sdi.", __func__); | |
271 | break; | |
272 | case SR_DI_NUM_PROBES: | |
273 | info = GINT_TO_POINTER(NUM_PROBES); | |
274 | sr_spew("la8: %s: Returning number of probes: %d.", __func__, | |
275 | NUM_PROBES); | |
276 | break; | |
277 | case SR_DI_PROBE_NAMES: | |
278 | info = probe_names; | |
279 | sr_spew("la8: %s: Returning probenames.", __func__); | |
280 | break; | |
281 | case SR_DI_SAMPLERATES: | |
282 | fill_supported_samplerates_if_needed(); | |
283 | info = &samplerates; | |
284 | sr_spew("la8: %s: Returning samplerates.", __func__); | |
285 | break; | |
286 | case SR_DI_TRIGGER_TYPES: | |
43be303c | 287 | info = TRIGGER_TYPES; |
b908f067 UH |
288 | sr_spew("la8: %s: Returning trigger types: %s.", __func__, |
289 | TRIGGER_TYPES); | |
290 | break; | |
291 | case SR_DI_CUR_SAMPLERATE: | |
292 | info = &ctx->cur_samplerate; | |
293 | sr_spew("la8: %s: Returning samplerate: %" PRIu64 "Hz.", | |
294 | __func__, ctx->cur_samplerate); | |
295 | break; | |
296 | default: | |
297 | /* Unknown device info ID, return NULL. */ | |
298 | sr_err("la8: %s: Unknown device info ID", __func__); | |
299 | info = NULL; | |
300 | break; | |
301 | } | |
302 | ||
303 | return info; | |
304 | } | |
305 | ||
306 | static int hw_dev_status_get(int dev_index) | |
307 | { | |
308 | struct sr_dev_inst *sdi; | |
309 | ||
310 | if (!(sdi = sr_dev_inst_get(dev_insts, dev_index))) { | |
311 | sr_err("la8: %s: sdi was NULL, device not found", __func__); | |
312 | return SR_ST_NOT_FOUND; | |
313 | } | |
314 | ||
315 | sr_dbg("la8: Returning status: %d.", sdi->status); | |
316 | ||
317 | return sdi->status; | |
318 | } | |
319 | ||
320 | static const int *hw_hwcap_get_all(void) | |
321 | { | |
322 | sr_spew("la8: Returning list of device capabilities."); | |
323 | ||
324 | return hwcaps; | |
325 | } | |
326 | ||
327 | static int hw_dev_config_set(int dev_index, int hwcap, const void *value) | |
328 | { | |
329 | struct sr_dev_inst *sdi; | |
330 | struct context *ctx; | |
331 | ||
332 | if (!(sdi = sr_dev_inst_get(dev_insts, dev_index))) { | |
333 | sr_err("la8: %s: sdi was NULL", __func__); | |
334 | return SR_ERR_BUG; | |
335 | } | |
336 | ||
337 | if (!(ctx = sdi->priv)) { | |
338 | sr_err("la8: %s: sdi->priv was NULL", __func__); | |
339 | return SR_ERR_BUG; | |
340 | } | |
341 | ||
342 | sr_spew("la8: %s: dev_index %d, hwcap %d", __func__, dev_index, hwcap); | |
343 | ||
344 | switch (hwcap) { | |
345 | case SR_HWCAP_SAMPLERATE: | |
346 | if (set_samplerate(sdi, *(const uint64_t *)value) == SR_ERR) { | |
347 | sr_err("la8: %s: setting samplerate failed.", __func__); | |
348 | return SR_ERR; | |
349 | } | |
350 | sr_dbg("la8: SAMPLERATE = %" PRIu64, ctx->cur_samplerate); | |
351 | break; | |
352 | case SR_HWCAP_PROBECONFIG: | |
353 | if (configure_probes(ctx, (const GSList *)value) != SR_OK) { | |
354 | sr_err("la8: %s: probe config failed.", __func__); | |
355 | return SR_ERR; | |
356 | } | |
357 | break; | |
358 | case SR_HWCAP_LIMIT_MSEC: | |
359 | if (*(const uint64_t *)value == 0) { | |
360 | sr_err("la8: %s: LIMIT_MSEC can't be 0.", __func__); | |
361 | return SR_ERR; | |
362 | } | |
363 | ctx->limit_msec = *(const uint64_t *)value; | |
364 | sr_dbg("la8: LIMIT_MSEC = %" PRIu64, ctx->limit_msec); | |
365 | break; | |
366 | case SR_HWCAP_LIMIT_SAMPLES: | |
367 | if (*(const uint64_t *)value < MIN_NUM_SAMPLES) { | |
368 | sr_err("la8: %s: LIMIT_SAMPLES too small.", __func__); | |
369 | return SR_ERR; | |
370 | } | |
371 | ctx->limit_samples = *(const uint64_t *)value; | |
372 | sr_dbg("la8: LIMIT_SAMPLES = %" PRIu64, ctx->limit_samples); | |
373 | break; | |
374 | default: | |
375 | /* Unknown capability, return SR_ERR. */ | |
376 | sr_err("la8: %s: Unknown capability.", __func__); | |
377 | return SR_ERR; | |
378 | break; | |
379 | } | |
380 | ||
381 | return SR_OK; | |
382 | } | |
383 | ||
384 | static int receive_data(int fd, int revents, void *cb_data) | |
385 | { | |
386 | int i, ret; | |
387 | struct sr_dev_inst *sdi; | |
388 | struct context *ctx; | |
389 | ||
390 | /* Avoid compiler errors. */ | |
391 | (void)fd; | |
392 | (void)revents; | |
393 | ||
394 | if (!(sdi = cb_data)) { | |
395 | sr_err("la8: %s: cb_data was NULL", __func__); | |
396 | return FALSE; | |
397 | } | |
398 | ||
399 | if (!(ctx = sdi->priv)) { | |
400 | sr_err("la8: %s: sdi->priv was NULL", __func__); | |
401 | return FALSE; | |
402 | } | |
403 | ||
404 | if (!ctx->ftdic) { | |
405 | sr_err("la8: %s: ctx->ftdic was NULL", __func__); | |
406 | return FALSE; | |
407 | } | |
408 | ||
409 | /* Get one block of data. */ | |
410 | if ((ret = la8_read_block(ctx)) < 0) { | |
411 | sr_err("la8: %s: la8_read_block error: %d", __func__, ret); | |
412 | hw_dev_acquisition_stop(sdi->index, sdi); | |
413 | return FALSE; | |
414 | } | |
415 | ||
416 | /* We need to get exactly NUM_BLOCKS blocks (i.e. 8MB) of data. */ | |
417 | if (ctx->block_counter != (NUM_BLOCKS - 1)) { | |
418 | ctx->block_counter++; | |
419 | return TRUE; | |
420 | } | |
421 | ||
422 | sr_dbg("la8: Sampling finished, sending data to session bus now."); | |
423 | ||
424 | /* All data was received and demangled, send it to the session bus. */ | |
425 | for (i = 0; i < NUM_BLOCKS; i++) | |
426 | send_block_to_session_bus(ctx, i); | |
427 | ||
428 | hw_dev_acquisition_stop(sdi->index, sdi); | |
429 | ||
430 | // return FALSE; /* FIXME? */ | |
431 | return TRUE; | |
432 | } | |
433 | ||
434 | static int hw_dev_acquisition_start(int dev_index, void *cb_data) | |
435 | { | |
436 | struct sr_dev_inst *sdi; | |
437 | struct context *ctx; | |
438 | struct sr_datafeed_packet packet; | |
439 | struct sr_datafeed_header header; | |
440 | struct sr_datafeed_meta_logic meta; | |
441 | uint8_t buf[4]; | |
442 | int bytes_written; | |
443 | ||
444 | if (!(sdi = sr_dev_inst_get(dev_insts, dev_index))) { | |
445 | sr_err("la8: %s: sdi was NULL", __func__); | |
446 | return SR_ERR_BUG; | |
447 | } | |
448 | ||
449 | if (!(ctx = sdi->priv)) { | |
450 | sr_err("la8: %s: sdi->priv was NULL", __func__); | |
451 | return SR_ERR_BUG; | |
452 | } | |
453 | ||
454 | if (!ctx->ftdic) { | |
455 | sr_err("la8: %s: ctx->ftdic was NULL", __func__); | |
456 | return SR_ERR_BUG; | |
457 | } | |
458 | ||
459 | ctx->divcount = samplerate_to_divcount(ctx->cur_samplerate); | |
460 | if (ctx->divcount == 0xff) { | |
461 | sr_err("la8: %s: invalid divcount/samplerate", __func__); | |
462 | return SR_ERR; | |
463 | } | |
464 | ||
465 | sr_dbg("la8: Starting acquisition."); | |
466 | ||
467 | /* Fill acquisition parameters into buf[]. */ | |
468 | buf[0] = ctx->divcount; | |
469 | buf[1] = 0xff; /* This byte must always be 0xff. */ | |
470 | buf[2] = ctx->trigger_pattern; | |
471 | buf[3] = ctx->trigger_mask; | |
472 | ||
473 | /* Start acquisition. */ | |
474 | bytes_written = la8_write(ctx, buf, 4); | |
475 | ||
476 | if (bytes_written < 0) { | |
477 | sr_err("la8: Acquisition failed to start."); | |
478 | return SR_ERR; | |
479 | } else if (bytes_written != 4) { | |
480 | sr_err("la8: Acquisition failed to start."); | |
481 | return SR_ERR; /* TODO: Other error and return code? */ | |
482 | } | |
483 | ||
484 | sr_dbg("la8: Acquisition started successfully."); | |
485 | ||
486 | ctx->session_dev_id = cb_data; | |
487 | ||
488 | /* Send header packet to the session bus. */ | |
489 | sr_dbg("la8: Sending SR_DF_HEADER."); | |
490 | packet.type = SR_DF_HEADER; | |
491 | packet.payload = &header; | |
492 | header.feed_version = 1; | |
493 | gettimeofday(&header.starttime, NULL); | |
494 | sr_session_send(ctx->session_dev_id, &packet); | |
495 | ||
496 | /* Send metadata about the SR_DF_LOGIC packets to come. */ | |
497 | packet.type = SR_DF_META_LOGIC; | |
498 | packet.payload = &meta; | |
499 | meta.samplerate = ctx->cur_samplerate; | |
500 | meta.num_probes = NUM_PROBES; | |
501 | sr_session_send(ctx->session_dev_id, &packet); | |
502 | ||
503 | /* Time when we should be done (for detecting trigger timeouts). */ | |
504 | ctx->done = (ctx->divcount + 1) * 0.08388608 + time(NULL) | |
505 | + ctx->trigger_timeout; | |
506 | ctx->block_counter = 0; | |
507 | ctx->trigger_found = 0; | |
508 | ||
509 | /* Hook up a dummy handler to receive data from the LA8. */ | |
510 | sr_source_add(-1, G_IO_IN, 0, receive_data, sdi); | |
511 | ||
512 | return SR_OK; | |
513 | } | |
514 | ||
515 | static int hw_dev_acquisition_stop(int dev_index, void *cb_data) | |
516 | { | |
517 | struct sr_dev_inst *sdi; | |
518 | struct context *ctx; | |
519 | struct sr_datafeed_packet packet; | |
520 | ||
521 | sr_dbg("la8: Stopping acquisition."); | |
522 | ||
523 | if (!(sdi = sr_dev_inst_get(dev_insts, dev_index))) { | |
524 | sr_err("la8: %s: sdi was NULL", __func__); | |
525 | return SR_ERR_BUG; | |
526 | } | |
527 | ||
528 | if (!(ctx = sdi->priv)) { | |
529 | sr_err("la8: %s: sdi->priv was NULL", __func__); | |
530 | return SR_ERR_BUG; | |
531 | } | |
532 | ||
533 | /* Send end packet to the session bus. */ | |
534 | sr_dbg("la8: Sending SR_DF_END."); | |
535 | packet.type = SR_DF_END; | |
536 | sr_session_send(cb_data, &packet); | |
537 | ||
538 | return SR_OK; | |
539 | } | |
540 | ||
541 | SR_PRIV struct sr_dev_driver chronovu_la8_driver_info = { | |
542 | .name = "chronovu-la8", | |
543 | .longname = "ChronoVu LA8", | |
544 | .api_version = 1, | |
545 | .init = hw_init, | |
546 | .cleanup = hw_cleanup, | |
547 | .dev_open = hw_dev_open, | |
548 | .dev_close = hw_dev_close, | |
549 | .dev_info_get = hw_dev_info_get, | |
550 | .dev_status_get = hw_dev_status_get, | |
551 | .hwcap_get_all = hw_hwcap_get_all, | |
552 | .dev_config_set = hw_dev_config_set, | |
553 | .dev_acquisition_start = hw_dev_acquisition_start, | |
554 | .dev_acquisition_stop = hw_dev_acquisition_stop, | |
555 | }; |