net/ipa/ipa_modem.c

17 #include "ipa.h"
41  * @ipa:	IPA pointer
47 	struct ipa *ipa;
57 	struct ipa *ipa = priv->ipa;
61 	dev = ipa->dev;
93 	struct ipa *ipa = priv->ipa;
97 	dev = ipa->dev;
130 	struct ipa *ipa = priv->ipa;
138 	endpoint = ipa->name_map[IPA_ENDPOINT_AP_MODEM_TX];
161 	dev = ipa->dev;
303 int ipa_modem_start(struct ipa *ipa)
311 	state = atomic_cmpxchg(&ipa->modem_state, IPA_MODEM_STATE_STOPPED,
325 	SET_NETDEV_DEV(netdev, ipa->dev);
327 	priv->ipa = ipa;
328 	priv->tx = ipa->name_map[IPA_ENDPOINT_AP_MODEM_TX];
329 	priv->rx = ipa->name_map[IPA_ENDPOINT_AP_MODEM_RX];
335 	ipa->modem_netdev = netdev;
339 		ipa->modem_netdev = NULL;
348 		atomic_set(&ipa->modem_state, IPA_MODEM_STATE_STOPPED);
350 		atomic_set(&ipa->modem_state, IPA_MODEM_STATE_RUNNING);
356 int ipa_modem_stop(struct ipa *ipa)
358 	struct net_device *netdev = ipa->modem_netdev;
362 	state = atomic_cmpxchg(&ipa->modem_state, IPA_MODEM_STATE_RUNNING,
383 		ipa->modem_netdev = NULL;
390 	atomic_set(&ipa->modem_state, IPA_MODEM_STATE_STOPPED);
397 static void ipa_modem_crashed(struct ipa *ipa)
399 	struct device *dev = ipa->dev;
403 	ipa_smp2p_irq_disable_setup(ipa);
411 	ipa_endpoint_modem_pause_all(ipa, true);
413 	ipa_endpoint_modem_hol_block_clear_all(ipa);
415 	ipa_table_reset(ipa, true);
417 	ret = ipa_table_hash_flush(ipa);
421 	ret = ipa_endpoint_modem_exception_reset_all(ipa);
425 	ipa_endpoint_modem_pause_all(ipa, false);
427 	ret = ipa_modem_stop(ipa);
432 	ret = ipa_mem_zero_modem(ipa);
444 	struct ipa *ipa = container_of(nb, struct ipa, nb);
446 	struct device *dev = ipa->dev;
451 		ipa_uc_power(ipa);
452 		ipa_smp2p_notify_reset(ipa);
462 		if (ipa->setup_complete)
463 			ipa_modem_crashed(ipa);
478 int ipa_modem_config(struct ipa *ipa)
482 	ipa->nb.notifier_call = ipa_modem_notify;
484 	notifier = qcom_register_ssr_notifier("mpss", &ipa->nb);
488 	ipa->notifier = notifier;
493 void ipa_modem_deconfig(struct ipa *ipa)
495 	struct device *dev = ipa->dev;
498 	ret = qcom_unregister_ssr_notifier(ipa->notifier, &ipa->nb);
502 	ipa->notifier = NULL;
503 	memset(&ipa->nb, 0, sizeof(ipa->nb));