Boot Linux faster!

Check our new training course

Boot Linux faster!

Check our new training course
and Creative Commons CC-BY-SA
lecture and lab materials

Bootlin logo

Elixir Cross Referencer

  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
/*
 *
 *  oFono - Open Source Telephony - RIL-based devices
 *
 *  Copyright (C) 2008-2015  Intel Corporation. All rights reserved.
 *  Copyright (C) 2012-2014 Canonical Ltd.
 *  Copyright (C) 2013 Jolla Ltd.
 *
 *  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 <stdbool.h>

#include <unistd.h>
#include <glib.h>

#define OFONO_API_SUBJECT_TO_CHANGE
#include <ofono/plugin.h>
#include <ofono/log.h>
#include <ofono/types.h>
#include <ofono/modem.h>
#include <ofono/devinfo.h>
#include <ofono/netreg.h>
#include <ofono/sms.h>
#include <ofono/sim.h>
#include <ofono/gprs.h>
#include <ofono/gprs-context.h>
#include <ofono/radio-settings.h>
#include <ofono/ussd.h>
#include <ofono/netmon.h>

#include <gril/gril.h>

#include "drivers/rilmodem/rilmodem.h"
#include "drivers/rilmodem/vendor.h"
#include "gdbus.h"

#include "ofono.h"

#define THERMAL_MANAGEMENT_INTERFACE OFONO_SERVICE ".sofia3gr.ThermalManagement"

struct ril_data {
	GRil *ril;
};

struct ril_thermal_management {
	DBusMessage *pending;
	struct ofono_modem *modem;
	dbus_bool_t throttling;
};

static int ril_send_power(GRil *ril, ofono_bool_t online,
				GRilResponseFunc func,
				gpointer user_data,
				GDestroyNotify destroy)
{
	struct parcel rilp;

	DBG("%d", online);

	parcel_init(&rilp);
	parcel_w_int32(&rilp, 1);
	parcel_w_int32(&rilp, online);

	g_ril_append_print_buf(ril, "(%d)", online);

	return g_ril_send(ril, RIL_REQUEST_RADIO_POWER, &rilp,
						func, user_data, destroy);
}

static void ril_debug(const char *str, void *user_data)
{
	const char *prefix = user_data;

	ofono_info("%s%s", prefix, str);
}

static void ril_radio_state_changed(struct ril_msg *message,
							gpointer user_data)
{
	struct ofono_modem *modem = user_data;
	struct ril_data *rd = ofono_modem_get_data(modem);
	struct parcel rilp;
	int radio_state;

	g_ril_init_parcel(message, &rilp);
	radio_state = parcel_r_int32(&rilp);

	if (rilp.malformed) {
		ofono_error("%s: malformed parcel received", __func__);
		ofono_modem_set_powered(modem, FALSE);
		return;
	}

	g_ril_append_print_buf(rd->ril, "(state: %s)",
				ril_radio_state_to_string(radio_state));
	g_ril_print_unsol(rd->ril, message);

	switch (radio_state) {
	case RADIO_STATE_ON:
		break;
	case RADIO_STATE_UNAVAILABLE:
		ofono_modem_set_powered(modem, FALSE);
		break;
	case RADIO_STATE_OFF:
		break;
	}
}

static int ril_probe(struct ofono_modem *modem)
{
	struct ril_data *rd;
	ofono_bool_t lte_cap;

	DBG("");

	rd = g_new0(struct ril_data, 1);

	lte_cap = getenv("OFONO_RIL_RAT_LTE") ? TRUE : FALSE;
	ofono_modem_set_boolean(modem, MODEM_PROP_LTE_CAPABLE, lte_cap);

	ofono_modem_set_data(modem, rd);

	return 0;
}

static void ril_remove(struct ofono_modem *modem)
{
	DBusConnection *conn = ofono_dbus_get_connection();
	struct ril_data *rd = ofono_modem_get_data(modem);
	const char *path = ofono_modem_get_path(modem);

	if (g_dbus_unregister_interface(conn, path,
					THERMAL_MANAGEMENT_INTERFACE))
		ofono_modem_remove_interface(modem,
						THERMAL_MANAGEMENT_INTERFACE);

	ofono_modem_set_data(modem, NULL);

	g_ril_unref(rd->ril);
	g_free(rd);
}

static void set_rf_power_status_cb(struct ril_msg *message, gpointer user_data)
{
	DBusConnection *conn = ofono_dbus_get_connection();
	struct ril_thermal_management *tm = user_data;
	struct ril_data *rd = ofono_modem_get_data(tm->modem);
	const char *path = ofono_modem_get_path(tm->modem);

	DBG("");

	if (message->error != RIL_E_SUCCESS) {
		ofono_error("%s RILD reply failure: %s",
			g_ril_request_id_to_string(rd->ril, message->req),
			ril_error_to_string(message->error));

		__ofono_dbus_pending_reply(&tm->pending,
					__ofono_error_failed(tm->pending));
		return;
	}

	/* Change the throttling state */
	tm->throttling = tm->throttling ? false : true;

	__ofono_dbus_pending_reply(&tm->pending,
				dbus_message_new_method_return(tm->pending));

	ofono_dbus_signal_property_changed(conn, path,
					THERMAL_MANAGEMENT_INTERFACE,
					"TransmitPowerThrottling",
					DBUS_TYPE_BOOLEAN,
					&tm->throttling);
}

static DBusMessage *set_rf_power_status(DBusMessage *msg,
					dbus_bool_t enable,
					void *data)
{
	struct ril_thermal_management *tm = data;
	struct ril_data *rd = ofono_modem_get_data(tm->modem);
	struct parcel rilp;

	int cmd_id;
	char buf[4];

	DBG("");

	if (tm->pending)
		return __ofono_error_busy(msg);

	parcel_init(&rilp);
	parcel_w_int32(&rilp, 2);
	/* RIL_OEM_HOOK_STRING_SET_RF_POWER_STATUS = 0x000000AC */
	cmd_id = 0x000000AC;
	sprintf(buf, "%d", cmd_id);
	parcel_w_string(&rilp, buf);

	memset(buf, 0, sizeof(buf));
	sprintf(buf, "%d", enable ? 1 : 0);
	parcel_w_string(&rilp, buf);

	g_ril_append_print_buf(rd->ril, "{cmd_id=0x%02X,arg=%s}", cmd_id, buf);

	if (g_ril_send(rd->ril, RIL_REQUEST_OEM_HOOK_STRINGS, &rilp,
			set_rf_power_status_cb, tm, NULL) == 0)
		return __ofono_error_failed(msg);

	tm->pending = dbus_message_ref(msg);

	return NULL;
}

static DBusMessage *thermal_management_set_property(DBusConnection *conn,
							DBusMessage *msg,
							void *data)
{
	struct ril_thermal_management *tm = data;
	DBusMessageIter iter;
	DBusMessageIter var;
	const char *name;
	dbus_bool_t throttling;

	DBG("");

	if (!ofono_modem_get_online(tm->modem))
		return __ofono_error_not_available(msg);

	if (!dbus_message_iter_init(msg, &iter))
		return __ofono_error_invalid_args(msg);

	if (dbus_message_iter_get_arg_type(&iter) != DBUS_TYPE_STRING)
		return __ofono_error_invalid_args(msg);

	dbus_message_iter_get_basic(&iter, &name);

	if (!strcmp(name, "TransmitPowerThrottling")) {
		dbus_message_iter_next(&iter);

		if (dbus_message_iter_get_arg_type(&iter) != DBUS_TYPE_VARIANT)
			return __ofono_error_invalid_args(msg);

		dbus_message_iter_recurse(&iter, &var);

		if (dbus_message_iter_get_arg_type(&var) != DBUS_TYPE_BOOLEAN)
			return __ofono_error_invalid_args(msg);

		dbus_message_iter_get_basic(&var, &throttling);

		if (tm->throttling == throttling)
			/* Ignore set request if new state == current state */
			return dbus_message_new_method_return(msg);

		return set_rf_power_status(msg, throttling, tm);
	}

	return __ofono_error_invalid_args(msg);
}

static DBusMessage *thermal_management_get_properties(DBusConnection *conn,
							DBusMessage *msg,
							void *data)
{
	struct ril_thermal_management *tm = data;
	DBusMessage *reply;
	DBusMessageIter iter;
	DBusMessageIter dict;

	DBG("");

	reply = dbus_message_new_method_return(msg);
	if (reply == NULL)
		return NULL;

	dbus_message_iter_init_append(reply, &iter);

	dbus_message_iter_open_container(&iter, DBUS_TYPE_ARRAY,
					OFONO_PROPERTIES_ARRAY_SIGNATURE,
					&dict);

	ofono_dbus_dict_append(&dict, "TransmitPowerThrottling",
				DBUS_TYPE_BOOLEAN,
				&tm->throttling);

	dbus_message_iter_close_container(&iter, &dict);

	return reply;
}

static const GDBusMethodTable thermal_management_methods[] = {
	{ GDBUS_METHOD("GetProperties",
			NULL, GDBUS_ARGS({ "properties", "a{sv}" }),
			thermal_management_get_properties) },
	{ GDBUS_ASYNC_METHOD("SetProperty",
			GDBUS_ARGS({ "property", "s" }, { "value", "v" }),
			NULL, thermal_management_set_property) },
	{}
};

static const GDBusSignalTable thermal_management_signals[] = {
	{ GDBUS_SIGNAL("PropertyChanged",
			GDBUS_ARGS({ "name", "s" }, { "value", "v" })) },
	{ }
};

static void thermal_management_cleanup(void *data)
{
	struct ril_thermal_management *tm = data;

	if (tm->pending)
		__ofono_dbus_pending_reply(&tm->pending,
					__ofono_error_canceled(tm->pending));

	g_free(tm);
}

static void get_rf_power_status_cb(struct ril_msg *message, gpointer user_data)
{
	struct ofono_modem *modem = user_data;
	struct ril_data *rd = ofono_modem_get_data(modem);
	struct ril_thermal_management *tm;
	DBusConnection *conn = ofono_dbus_get_connection();
	struct parcel rilp;
	gint numstr;
	gchar *power_status;
	char *endptr;
	int enabled;
	const char *path = ofono_modem_get_path(modem);

	DBG("");

	if (message->error != RIL_E_SUCCESS) {
		ofono_error("%s RILD reply failure: %s",
			g_ril_request_id_to_string(rd->ril, message->req),
			ril_error_to_string(message->error));
		return;
	}

	g_ril_init_parcel(message, &rilp);

	numstr = parcel_r_int32(&rilp);
	if (numstr < 1) {
		ofono_error("RILD reply empty !");
		return;
	}

	power_status = parcel_r_string(&rilp);
	if (power_status == NULL || *power_status == '\0')
		return;

	enabled = strtol(power_status, &endptr, 10);
	/*
	 * power_status == endptr => conversion error
	 * *endptr != '\0' => partial conversion
	 */
	if (power_status == endptr || *endptr != '\0')
		return;

	tm = g_try_new0(struct ril_thermal_management, 1);
	if (tm == NULL)
		return;

	tm->modem = modem;
	tm->throttling = (enabled > 0) ? true : false;


	if (!g_dbus_register_interface(conn, path, THERMAL_MANAGEMENT_INTERFACE,
					thermal_management_methods,
					thermal_management_signals,
					NULL, tm, thermal_management_cleanup)) {
		ofono_error("Could not register %s interface under %s",
					THERMAL_MANAGEMENT_INTERFACE, path);
		g_free(tm);
		return;
	}

	ofono_modem_add_interface(modem, THERMAL_MANAGEMENT_INTERFACE);
}

static int ril_thermal_management_enable(struct ofono_modem *modem)
{
	struct ril_data *rd = ofono_modem_get_data(modem);
	struct parcel rilp;

	int cmd_id;
	char buf[4];

	DBG("");

	parcel_init(&rilp);
	parcel_w_int32(&rilp, 1);
	/* RIL_OEM_HOOK_STRING_GET_RF_POWER_STATUS = 0x000000AB */
	cmd_id = 0x000000AB;
	sprintf(buf, "%d", cmd_id);
	parcel_w_string(&rilp, buf);

	g_ril_append_print_buf(rd->ril, "{cmd_id=0x%02X}", cmd_id);

	if (g_ril_send(rd->ril, RIL_REQUEST_OEM_HOOK_STRINGS, &rilp,
			get_rf_power_status_cb, modem, NULL) > 0)
		return 0;

	/* Error path */

	return -EIO;
}

static void ril_pre_sim(struct ofono_modem *modem)
{
	struct ril_data *rd = ofono_modem_get_data(modem);

	DBG("");

	ofono_devinfo_create(modem, 0, "rilmodem", rd->ril);
	ofono_sim_create(modem, 0, "rilmodem", rd->ril);
	ril_thermal_management_enable(modem);
}

static void ril_post_sim(struct ofono_modem *modem)
{
	struct ril_data *rd = ofono_modem_get_data(modem);
	struct ofono_gprs *gprs;
	struct ofono_gprs_context *gc;

	if (ofono_modem_get_boolean(modem, MODEM_PROP_LTE_CAPABLE))
		ofono_sms_create(modem, 0, "rilmodem", rd->ril);
	else
		ofono_sms_create(modem, OFONO_RIL_VENDOR_IMC_SOFIA3GR,
					"rilmodem", rd->ril);

	gprs = ofono_gprs_create(modem, 0, "rilmodem", rd->ril);
	gc = ofono_gprs_context_create(modem, 0, "rilmodem", rd->ril);

	if (gc) {
		ofono_gprs_context_set_type(gc,
					OFONO_GPRS_CONTEXT_TYPE_INTERNET);
		ofono_gprs_add_context(gprs, gc);
	}

	if (ofono_modem_get_boolean(modem, MODEM_PROP_LTE_CAPABLE))
		ofono_lte_create(modem, 0, "rilmodem", rd->ril);

	ofono_stk_create(modem, 0, "rilmodem", rd->ril);
}

static void ril_post_online(struct ofono_modem *modem)
{
	struct ril_data *rd = ofono_modem_get_data(modem);

	ofono_netreg_create(modem, 0, "rilmodem", rd->ril);

	if (ofono_modem_get_boolean(modem, MODEM_PROP_LTE_CAPABLE))
		ofono_radio_settings_create(modem, 0, "rilmodem", rd->ril);
	else
		ofono_radio_settings_create(modem, OFONO_RIL_VENDOR_IMC_SOFIA3GR,
						"rilmodem", rd->ril);

	ofono_ussd_create(modem, 0, "rilmodem", rd->ril);
	ofono_netmon_create(modem, 0, "rilmodem", rd->ril);
}

static void ril_set_online_cb(struct ril_msg *message, gpointer user_data)
{
	struct cb_data *cbd = user_data;
	ofono_modem_online_cb_t cb = cbd->cb;

	DBG("%d", message->error);

	if (message->error == RIL_E_SUCCESS)
		CALLBACK_WITH_SUCCESS(cb, cbd->data);
	else
		CALLBACK_WITH_FAILURE(cb, cbd->data);
}

static void ril_set_online(struct ofono_modem *modem, ofono_bool_t online,
			ofono_modem_online_cb_t cb, void *data)
{
	struct ril_data *rd = ofono_modem_get_data(modem);
	struct cb_data *cbd = cb_data_new(cb, data, rd);

	if (ril_send_power(rd->ril, online, ril_set_online_cb, cbd, g_free) > 0)
		return;

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

static void ril_init_power(struct ril_msg *message, gpointer user_data)
{
	struct ofono_modem *modem = user_data;
	ofono_bool_t powered;

	DBG("%d", message->error);

	powered = message->error != RIL_E_SUCCESS ? FALSE : TRUE;
	ofono_modem_set_powered(modem, powered);
}

static void ril_connected(struct ril_msg *message, gpointer user_data)
{
	struct ofono_modem *modem = user_data;
	struct ril_data *rd = ofono_modem_get_data(modem);

	DBG("");

	/* Set Modem Offline */
	if (ril_send_power(rd->ril, FALSE, ril_init_power, modem, NULL) > 0)
		return;

	ofono_modem_set_powered(modem, FALSE);
}

static int ril_enable(struct ofono_modem *modem)
{
	struct ril_data *rd = ofono_modem_get_data(modem);

	DBG("");

	rd->ril = g_ril_new("/tmp/rild", OFONO_RIL_VENDOR_AOSP);
	if (rd->ril == NULL) {
		ofono_error("g_ril_new() failed to create modem!");
		return -EIO;
	}

	if (getenv("OFONO_RIL_TRACE"))
		g_ril_set_trace(rd->ril, TRUE);

	if (getenv("OFONO_RIL_HEX_TRACE"))
		g_ril_set_debugf(rd->ril, ril_debug, "IntelModem:");

	g_ril_register(rd->ril, RIL_UNSOL_RIL_CONNECTED,
						ril_connected, modem);

	g_ril_register(rd->ril, RIL_UNSOL_RESPONSE_RADIO_STATE_CHANGED,
					ril_radio_state_changed, modem);

	return -EINPROGRESS;
}

static void ril_send_power_off_cb(struct ril_msg *message, gpointer user_data)
{
	struct ofono_modem *modem = (struct ofono_modem *) user_data;
	struct ril_data *rd = ofono_modem_get_data(modem);

	g_ril_unref(rd->ril);

	ofono_modem_set_powered(modem, FALSE);
}

static int ril_disable(struct ofono_modem *modem)
{
	DBusConnection *conn = ofono_dbus_get_connection();
	struct ril_data *rd = ofono_modem_get_data(modem);
	const char *path = ofono_modem_get_path(modem);
	struct parcel rilp;
	int cmd_id;
	char buf[4];

	DBG("%p", modem);

	if (g_dbus_unregister_interface(conn, path,
					THERMAL_MANAGEMENT_INTERFACE))
		ofono_modem_remove_interface(modem,
						THERMAL_MANAGEMENT_INTERFACE);

	/* RIL_OEM_HOOK_STRING_SET_MODEM_OFF = 0x000000CF */
	cmd_id = 0x000000CF;
	sprintf(buf, "%d", cmd_id);
	parcel_init(&rilp);
	parcel_w_int32(&rilp, 1);
	parcel_w_string(&rilp, buf);

	g_ril_append_print_buf(rd->ril, "{cmd_id=0x%02X}", cmd_id);

	g_ril_send(rd->ril, RIL_REQUEST_OEM_HOOK_STRINGS, &rilp,
					ril_send_power_off_cb, modem, NULL);

	return -EINPROGRESS;
}

static struct ofono_modem_driver ril_driver = {
	.name = "ril_intel",
	.probe = ril_probe,
	.remove = ril_remove,
	.enable = ril_enable,
	.disable = ril_disable,
	.pre_sim = ril_pre_sim,
	.post_sim = ril_post_sim,
	.post_online = ril_post_online,
	.set_online = ril_set_online,
};

static int ril_init(void)
{
	return ofono_modem_driver_register(&ril_driver);
}

static void ril_exit(void)
{
	ofono_modem_driver_unregister(&ril_driver);
}

OFONO_PLUGIN_DEFINE(ril_intel, "Intel RIL-based modem driver", VERSION,
			OFONO_PLUGIN_PRIORITY_DEFAULT, ril_init, ril_exit)