Linux Audio

Check our new training course

Loading...
  1
  2
  3
  4
  5
  6
  7
  8
  9
 10
 11
 12
 13
 14
 15
 16
 17
 18
 19
 20
 21
 22
 23
 24
 25
 26
 27
 28
 29
 30
 31
 32
 33
 34
 35
 36
 37
 38
 39
 40
 41
 42
 43
 44
 45
 46
 47
 48
 49
 50
 51
 52
 53
 54
 55
 56
 57
 58
 59
 60
 61
 62
 63
 64
 65
 66
 67
 68
 69
 70
 71
 72
 73
 74
 75
 76
 77
 78
 79
 80
 81
 82
 83
 84
 85
 86
 87
 88
 89
 90
 91
 92
 93
 94
 95
 96
 97
 98
 99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
/*
 *
 *  oFono - Open Source Telephony
 *
 *  Copyright (C) 2011  ST-Ericsson AB.
 *  Copyright (C) 2010  Nokia Corporation and/or its subsidiary(-ies).
 *
 *  This program is free software; you can redistribute it and/or modify
 *  it under the terms of the GNU General Public License version 2 as
 *  published by the Free Software Foundation.
 *
 *  This program is distributed in the hope that it will be useful,
 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *  GNU General Public License for more details.
 *
 *  You should have received a copy of the GNU General Public License
 *  along with this program; if not, write to the Free Software
 *  Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
 *
 */

#ifdef HAVE_CONFIG_H
#include <config.h>
#endif

#include <stdio.h>
#include <errno.h>
#include <stdlib.h>
#include <string.h>
#include <glib.h>

#include <gisi/netlink.h>
#include <gisi/modem.h>
#include <gisi/client.h>
#include <gisi/message.h>
#include <gisi/iter.h>

#define OFONO_API_SUBJECT_TO_CHANGE
#include <ofono/plugin.h>
#include <ofono/log.h>
#include <ofono/modem.h>
#include <ofono/devinfo.h>
#include <ofono/phonebook.h>
#include <ofono/netreg.h>
#include <ofono/voicecall.h>
#include <ofono/sms.h>
#include <ofono/cbs.h>
#include <ofono/sim.h>
#include <ofono/ussd.h>
#include <ofono/call-forwarding.h>
#include <ofono/call-settings.h>
#include <ofono/call-barring.h>
#include <ofono/call-meter.h>
#include <ofono/radio-settings.h>
#include <ofono/gprs.h>
#include <ofono/gprs-context.h>

#include "drivers/isimodem/isimodem.h"
#include "drivers/isimodem/isiutil.h"
#include "drivers/isimodem/mtc.h"
#include "drivers/isimodem/debug.h"

struct isi_data {
	char const *ifname;
	GIsiModem *modem;
	GIsiClient *client;
	GIsiPhonetNetlink *link;
	enum GIsiPhonetLinkState linkstate;
	unsigned interval;
	int reported;
	ofono_bool_t online;
	struct isi_cb_data *online_cbd;
};

struct devinfo_data {
	GIsiClient *client;
};

static gboolean check_response_status(const GIsiMessage *msg, uint8_t msgid)
{
	if (g_isi_msg_error(msg) < 0) {
		DBG("Error: %s", strerror(-g_isi_msg_error(msg)));
		return FALSE;
	}

	if (g_isi_msg_id(msg) != msgid) {
		DBG("Unexpected msg: %s",
			mce_message_id_name(g_isi_msg_id(msg)));
		return FALSE;
	}
	return TRUE;
}

static void report_powered(struct ofono_modem *modem, struct isi_data *isi,
				ofono_bool_t powered)
{
	if (powered == isi->reported)
		return;

	isi->reported = powered;
	ofono_modem_set_powered(modem, powered);
}

static void report_online(struct isi_data *isi, ofono_bool_t online)
{
	struct isi_cb_data *cbd = isi->online_cbd;
	ofono_modem_online_cb_t cb = cbd->cb;

	isi->online_cbd = NULL;

	if (isi->online == online)
		CALLBACK_WITH_SUCCESS(cb, cbd->data);
	else
		CALLBACK_WITH_FAILURE(cb, cbd->data);

	g_free(cbd);
}

static void set_power_by_mce_state(struct ofono_modem *modem,
					struct isi_data *isi, int mce_state)
{
	switch (mce_state) {
	case MCE_POWER_OFF:
		report_powered(modem, isi, FALSE);
		break;
	case MCE_NORMAL:
		if (isi->online_cbd)
			report_online(isi, mce_state == MCE_NORMAL);
	default:
		report_powered(modem, isi, TRUE);
	}
}

static void mce_state_ind_cb(const GIsiMessage *msg, void *data)
{
	struct ofono_modem *modem = data;
	struct isi_data *isi = ofono_modem_get_data(modem);
	uint8_t state;
	uint8_t action;

	if (isi == NULL || g_isi_msg_id(msg) != MCE_MODEM_STATE_IND)
		return;

	if (!g_isi_msg_data_get_byte(msg, 0, &state) ||
			!g_isi_msg_data_get_byte(msg, 1, &action))
		return;

	switch (action) {
	case MCE_START:
		DBG("target modem state: %s (0x%02X)",
			mce_modem_state_name(state), state);
		break;

	case MCE_READY:
		DBG("current modem state: %s (0x%02X)",
			mce_modem_state_name(state), state);
		set_power_by_mce_state(modem, isi, state);
		break;
	default:
		break;
	}
}

static void mce_rf_state_ind_cb(const GIsiMessage *msg, void *data)
{
	struct ofono_modem *modem = data;
	struct isi_data *isi = ofono_modem_get_data(modem);
	uint8_t state;
	uint8_t action;

	if (isi == NULL || g_isi_msg_id(msg) != MCE_RF_STATE_IND)
		return;

	if (!g_isi_msg_data_get_byte(msg, 0, &state) ||
			!g_isi_msg_data_get_byte(msg, 1, &action))
		return;

	switch (action) {
	case MCE_READY:
		DBG("current rf state: %s (0x%02X)",
			mce_rf_state_name(state), state);
		if (isi->online_cbd)
			report_online(isi, state);
		break;
	case MCE_START:
	default:
		break;
	}
}

static void mce_query_cb(const GIsiMessage *msg, void *data)
{
	struct ofono_modem *modem = data;
	struct isi_data *isi = ofono_modem_get_data(modem);
	uint8_t current;
	uint8_t target;

	if (!check_response_status(msg, MCE_MODEM_STATE_QUERY_RESP))
		return;

	if (!g_isi_msg_data_get_byte(msg, 0, &current) ||
			!g_isi_msg_data_get_byte(msg, 1, &target))
		return;

	DBG("Modem state: current=%s (0x%02X) target=%s (0x%02X)",
		mce_modem_state_name(current), current,
		mce_modem_state_name(target), target);

	if (current == target)
		set_power_by_mce_state(modem, isi, current);
}

static gboolean bootstrap_current_state(gpointer user)
{
	struct ofono_modem *om = user;
	struct isi_data *isi = ofono_modem_get_data(om);

	const uint8_t req[] = {
		MCE_MODEM_STATE_QUERY_REQ,
		0x00, 0x00 /* Filler */
	};
	size_t len = sizeof(req);

	g_isi_client_send(isi->client, req, len, mce_query_cb, om, NULL);

	return FALSE;
}

static void reachable_cb(const GIsiMessage *msg, void *data)
{
	struct ofono_modem *om = data;
	struct isi_data *isi = ofono_modem_get_data(om);

	if (!g_isi_msg_error(msg) < 0)
		return;

	ISI_RESOURCE_DBG(msg);

	g_isi_client_ind_subscribe(isi->client, MCE_MODEM_STATE_IND,
					mce_state_ind_cb, om);

	g_isi_client_ind_subscribe(isi->client, MCE_RF_STATE_IND,
					mce_rf_state_ind_cb, om);

	/*
	 * FIXME: There is a theoretical race condition here:
	 * g_isi_client_ind_subscribe() adds the actual message
	 * sending for committing changes to subscriptions in idle
	 * loop, which may or may not preserve ordering.  Thus, we
	 * might miss a state indication if the bootstrap request ends
	 * up being sent first.
	 */
	g_idle_add(bootstrap_current_state, om);
}

static void phonet_status_cb(GIsiModem *modem, enum GIsiPhonetLinkState st,
				char const *ifname, void *data)
{
	struct ofono_modem *om = data;
	struct isi_data *isi = ofono_modem_get_data(om);

	DBG("Link %s (%u) is %s", isi->ifname, g_isi_modem_index(isi->modem),
		st == PN_LINK_REMOVED ? "removed" :
		st == PN_LINK_DOWN ? "down" : "up");

	isi->linkstate = st;

	if (st == PN_LINK_UP)
		g_isi_client_verify(isi->client, reachable_cb, om, NULL);
	else if (st == PN_LINK_DOWN)
		set_power_by_mce_state(om, isi, MCE_POWER_OFF);
}

static int u8500_probe(struct ofono_modem *modem)
{
	const char *ifname = ofono_modem_get_string(modem, "Interface");
	unsigned address = ofono_modem_get_integer(modem, "Address");
	GIsiModem *isimodem;
	GIsiClient *client = NULL;
	GIsiPhonetNetlink *link = NULL;
	struct isi_data *isi = NULL;

	if (ifname == NULL)
		return -EINVAL;

	DBG("(%p) with %s", modem, ifname);

	isimodem = g_isi_modem_create_by_name(ifname);
	if (isimodem == NULL) {
		DBG("Interface=%s: %s", ifname, strerror(errno));
		return -errno;
	}

	g_isi_modem_set_userdata(isimodem, modem);

	if (getenv("OFONO_ISI_DEBUG"))
		g_isi_modem_set_debug(isimodem, ofono_debug);

	if (getenv("OFONO_ISI_TRACE"))
		g_isi_modem_set_trace(isimodem, isi_trace);

	if (g_isi_pn_netlink_by_modem(isimodem)) {
		DBG("%s: %s", ifname, strerror(EBUSY));
		errno = EBUSY;
		goto error;
	}

	link = g_isi_pn_netlink_start(isimodem, phonet_status_cb, modem);
	if (link == NULL) {
		DBG("%s: %s", ifname, strerror(errno));
		goto error;
	}

	if (address) {
		int error = g_isi_pn_netlink_set_address(isimodem, address);
		if (error && error != -EEXIST) {
			DBG("g_isi_pn_netlink_set_address(): %s\n",
				strerror(-error));
			errno = -error;
			goto error;
		}
	}

	isi = g_try_new0(struct isi_data, 1);
	if (isi == NULL) {
		errno = ENOMEM;
		goto error;
	}

	client = g_isi_client_create(isimodem, PN_MODEM_MCE);
	if (!client)
		goto error;

	g_isi_modem_set_device(isimodem, PN_DEV_MODEM);

	isi->modem = isimodem;
	isi->ifname = ifname;
	isi->link = link;
	isi->reported = -1;
	isi->client = client;

	ofono_modem_set_data(modem, isi);
	return 0;

error:
	g_isi_pn_netlink_stop(link);
	g_isi_client_destroy(client);
	g_isi_modem_destroy(isimodem);
	g_free(isi);

	return -errno;
}

static void u8500_remove(struct ofono_modem *modem)
{
	struct isi_data *isi = ofono_modem_get_data(modem);

	ofono_modem_set_data(modem, NULL);

	if (isi == NULL)
		return;

	g_isi_pn_netlink_stop(isi->link);
	g_isi_client_destroy(isi->client);
	g_isi_modem_destroy(isi->modem);
	g_free(isi);
}

static void mce_state_cb(const GIsiMessage *msg, void *data)
{
	struct isi_cb_data *cbd = data;
	struct ofono_modem *modem = cbd->user;
	ofono_modem_online_cb_t cb = cbd->cb;

	struct isi_data *isi = ofono_modem_get_data(modem);
	uint8_t cause;

	if (!check_response_status(msg, MCE_RF_STATE_RESP))
		goto error;

	if (!g_isi_msg_data_get_byte(msg, 0, &cause))
		goto error;

	DBG("MCE cause: %s (0x%02X)", mce_status_info(cause), cause);

	if (cause == MCE_OK) {
		isi->online_cbd = cbd;
		return;
	}

	if (cause == MCE_ALREADY_ACTIVE) {
		CALLBACK_WITH_SUCCESS(cb, cbd->data);
		g_free(cbd);
		return;
	}

error:
	CALLBACK_WITH_FAILURE(cb, cbd->data);
	g_free(cbd);
}

static void u8500_online(struct ofono_modem *modem, ofono_bool_t online,
				ofono_modem_online_cb_t cb, void *data)
{
	struct isi_data *isi = ofono_modem_get_data(modem);
	struct isi_cb_data *cbd = isi_cb_data_new(modem, cb, data);
	const uint8_t req[] = {
		MCE_RF_STATE_REQ,
		online ? MCE_RF_ON : MCE_RF_OFF,
		0x00
	};

	DBG("(%p) with %s", modem, isi->ifname);

	if (cbd == NULL || isi == NULL)
		goto error;

	if (g_isi_client_send_with_timeout(isi->client, req, sizeof(req),
				MTC_STATE_REQ_TIMEOUT,
				mce_state_cb, cbd, NULL)) {
		isi->online = online;
		return;
	}

error:
	CALLBACK_WITH_FAILURE(cb, data);
	g_free(cbd);
}

static void u8500_pre_sim(struct ofono_modem *modem)
{
	struct isi_data *isi = ofono_modem_get_data(modem);

	DBG("(%p) with %s", modem, isi->ifname);

	ofono_sim_create(modem, 0, "wgmodem2.5", isi->modem);
	ofono_devinfo_create(modem, 0, "u8500", isi->modem);
	ofono_voicecall_create(modem, 0, "isimodem", isi->modem);
}

static void u8500_post_sim(struct ofono_modem *modem)
{
	struct isi_data *isi = ofono_modem_get_data(modem);

	DBG("(%p) with %s", modem, isi->ifname);

	ofono_phonebook_create(modem, 0, "isimodem", isi->modem);
	ofono_call_forwarding_create(modem, 0, "isimodem", isi->modem);
	ofono_radio_settings_create(modem, 0, "isimodem", isi->modem);
}

static void u8500_post_online(struct ofono_modem *modem)
{
	struct isi_data *isi = ofono_modem_get_data(modem);

	DBG("(%p) with %s", modem, isi->ifname);

	ofono_netreg_create(modem, 0, "isimodem", isi->modem);
	ofono_sms_create(modem, 0, "isimodem", isi->modem);
	ofono_cbs_create(modem, 0, "isimodem", isi->modem);
	ofono_ussd_create(modem, 0, "isimodem", isi->modem);
	ofono_call_settings_create(modem, 0, "isimodem", isi->modem);
	ofono_call_barring_create(modem, 0, "isimodem", isi->modem);
	ofono_call_meter_create(modem, 0, "isimodem", isi->modem);
	ofono_gprs_create(modem, 0, "isimodem", isi->modem);
}

static int u8500_enable(struct ofono_modem *modem)
{
	return 0;
}

static int u8500_disable(struct ofono_modem *modem)
{
	return 0;
}

static void u8500_info_resp_cb(const GIsiMessage *msg, void *data)
{
	struct isi_cb_data *cbd = data;
	ofono_devinfo_query_cb_t cb = cbd->cb;
	GIsiSubBlockIter iter;
	uint8_t msgid;
	uint8_t status;

	msgid = g_isi_msg_id(msg);
	if (msgid != INFO_SERIAL_NUMBER_READ_RESP)
		goto error;

	if (g_isi_msg_error(msg) < 0)
		goto error;

	if (!g_isi_msg_data_get_byte(msg, 0, &status))
		goto error;

	if (status != INFO_OK)
		goto error;

	for (g_isi_sb_iter_init(&iter, msg, 2);
			g_isi_sb_iter_is_valid(&iter);
			g_isi_sb_iter_next(&iter)) {

		uint8_t id = g_isi_sb_iter_get_id(&iter);
		uint8_t chars;
		char *info = NULL;

		if (id != INFO_SB_PRODUCT_INFO_MANUFACTURER &&
				id != INFO_SB_PRODUCT_INFO_NAME &&
				id != INFO_SB_MCUSW_VERSION &&
				id != INFO_SB_SN_IMEI_PLAIN &&
				id != INFO_SB_MODEMSW_VERSION)
			continue;

		if (g_isi_sb_iter_get_len(&iter) < 5)
			goto error;

		if (!g_isi_sb_iter_get_byte(&iter, &chars, 3))
			goto error;

		if (!g_isi_sb_iter_get_latin_tag(&iter, &info, chars, 4))
			goto error;

		CALLBACK_WITH_SUCCESS(cb, info, cbd->data);

		g_free(info);
		return;
	}

error:
	CALLBACK_WITH_FAILURE(cb, "", cbd->data);
}

static void u8500_devinfo_reachable_cb(const GIsiMessage *msg, void *data)
{
	struct ofono_devinfo *info = data;

	if (g_isi_msg_error(msg) < 0)
		return;

	ISI_RESOURCE_DBG(msg);

	ofono_devinfo_register(info);
}

static void u8500_query_manufacturer(struct ofono_devinfo *info,
					ofono_devinfo_query_cb_t cb,
					void *data)
{
	CALLBACK_WITH_FAILURE(cb, "", data);
}

static void u8500_query_model(struct ofono_devinfo *info,
				ofono_devinfo_query_cb_t cb,
				void *data)
{
	CALLBACK_WITH_FAILURE(cb, "", data);
}

static void u8500_query_revision(struct ofono_devinfo *info,
				ofono_devinfo_query_cb_t cb,
				void *data)
{
	struct devinfo_data *dev = ofono_devinfo_get_data(info);
	struct isi_cb_data *cbd = isi_cb_data_new(dev, cb, data);
	const unsigned char msg[] = {
		INFO_SERIAL_NUMBER_READ_REQ,
		0x00, 0x00,
		0x00, 0x00, 0x00, 0x01, /* M_INFO_MODEMSW */
		0x00, 0x00
	};
	DBG("");

	if (cbd == NULL || dev == NULL)
		goto error;

	if (g_isi_client_send(dev->client, msg, sizeof(msg),
				u8500_info_resp_cb, cbd, g_free))
		return;


error:
	CALLBACK_WITH_FAILURE(cb, "", data);
	g_free(cbd);
}

static void u8500_query_serial(struct ofono_devinfo *info,
				ofono_devinfo_query_cb_t cb,
				void *data)
{
	char imei[16]; /* IMEI 15 digits + 1 null*/
	char numbers[] = "1234567890";
	FILE *fp = fopen("/etc/imei", "r");
	DBG("");

	if (fp == NULL) {
		DBG("failed to open /etc/imei file");
		goto error;
	}

	if (fgets(imei, 16, fp)) {
		DBG(" IMEI = %s", imei);
		if (15 == strspn(imei, numbers))
			CALLBACK_WITH_SUCCESS(cb, imei, data);
		else {
			CALLBACK_WITH_FAILURE(cb, "", data);
			fclose(fp);
			goto error;
		}
	}

	fclose(fp);
	return;

error:
	CALLBACK_WITH_FAILURE(cb, "", data);
}

static int u8500_devinfo_probe(struct ofono_devinfo *info, unsigned int vendor,
				void *user)
{
	GIsiModem *idx = user;
	struct devinfo_data *data = g_try_new0(struct devinfo_data, 1);

	if (data == NULL)
		return -ENOMEM;

	data->client = g_isi_client_create(idx, PN_MODEM_INFO);
	if (data->client == NULL)
		goto nomem;

	ofono_devinfo_set_data(info, data);

	g_isi_client_set_timeout(data->client, INFO_TIMEOUT);
	g_isi_client_verify(data->client, u8500_devinfo_reachable_cb,
				info, NULL);

	return 0;

nomem:
	g_isi_client_destroy(data->client);

	g_free(data);
	return -ENOMEM;

}

static void u8500_devinfo_remove(struct ofono_devinfo *info)
{
	struct devinfo_data *data = ofono_devinfo_get_data(info);

	ofono_devinfo_set_data(info, NULL);

	if (data == NULL)
		return;

	g_isi_client_destroy(data->client);
	g_free(data);
}

static struct ofono_modem_driver driver = {
	.name = "u8500",
	.probe = u8500_probe,
	.remove = u8500_remove,
	.set_online = u8500_online,
	.pre_sim = u8500_pre_sim,
	.post_sim = u8500_post_sim,
	.post_online = u8500_post_online,
	.enable = u8500_enable,
	.disable = u8500_disable,
};

static struct ofono_devinfo_driver devinfo_driver = {
	.name			= "u8500",
	.probe			= u8500_devinfo_probe,
	.remove			= u8500_devinfo_remove,
	.query_manufacturer	= u8500_query_manufacturer,
	.query_model		= u8500_query_model,
	.query_revision		= u8500_query_revision,
	.query_serial		= u8500_query_serial
};

static int u8500_init(void)
{
	int err;

	err = ofono_modem_driver_register(&driver);

	if (err < 0)
		return err;

	ofono_devinfo_driver_register(&devinfo_driver);

	return 0;
}

static void u8500_exit(void)
{
	ofono_devinfo_driver_unregister(&devinfo_driver);

	ofono_modem_driver_unregister(&driver);
}

OFONO_PLUGIN_DEFINE(u8500, "ST-Ericsson U8500 modem driver",
			VERSION, OFONO_PLUGIN_PRIORITY_DEFAULT,
			u8500_init, u8500_exit)