Donate to e Foundation | Murena handsets with /e/OS | Own a part of Murena! Learn more

Commit 7dc487dc authored by Sameer Thalappil's avatar Sameer Thalappil Committed by Gerrit - the friendly Code Review server
Browse files

icnss: Add functions for CE interrupt registration 



Copy engine uses these APIs to register interrupts.

Change-Id: I5459ac1ca2ef468a85d29a9722aa6cc7ce448597
Signed-off-by: default avatarSameer Thalappil <sameert@codeaurora.org>
parent d3846f3c

drivers/soc/qcom/icnss.c

+65 −0
Original line number Diff line number Diff line
@@ -163,6 +163,71 @@ out: 
}

EXPORT_SYMBOL(icnss_unregister_ce_irq);



int icnss_ce_request_irq(unsigned int ce_id,

	irqreturn_t (*handler)(int, void *),

		unsigned long flags, const char *name, void *ctx)

{

	int ret = 0;

	unsigned int irq;

	struct ce_irq_list *irq_entry;



	if (!penv || !penv->pdev) {

		ret = -ENODEV;

		goto out;

	}

	if (ce_id >= ICNSS_MAX_IRQ_REGISTRATIONS) {

		pr_err("icnss: Invalid CE ID %d\n", ce_id);

		ret = -EINVAL;

		goto out;

	}

	irq = penv->ce_irqs[ce_id];

	irq_entry = &penv->ce_irq_list[ce_id];



	if (irq_entry->handler || irq_entry->irq) {

		pr_err("icnss: handler already registered %d\n", irq);

		ret = -EEXIST;

		goto out;

	}



	ret = request_irq(irq, handler, flags, name, ctx);

	if (ret) {

		pr_err("icnss: IRQ not registered %d\n", irq);

		ret = -EINVAL;

		goto out;

	}

	irq_entry->irq = irq;

	irq_entry->handler = handler;

	pr_debug("icnss: IRQ registered %d\n", irq);

out:

	return ret;

}

EXPORT_SYMBOL(icnss_ce_request_irq);



int icnss_ce_free_irq(unsigned int ce_id, void *ctx)

{

	int ret = 0;

	unsigned int irq;

	struct ce_irq_list *irq_entry;



	if (!penv || !penv->pdev) {

		ret = -ENODEV;

		goto out;

	}

	irq = penv->ce_irqs[ce_id];

	irq_entry = &penv->ce_irq_list[ce_id];

	if (!irq_entry->handler || !irq_entry->irq) {

		pr_err("icnss: handler not registered %d\n", irq);

		ret = -EEXIST;

		goto out;

	}

	free_irq(irq, ctx);

	irq_entry->irq = 0;

	irq_entry->handler = NULL;

out:

	return ret;

}

EXPORT_SYMBOL(icnss_ce_free_irq);



void icnss_enable_irq(unsigned int ce_id)

{

	unsigned int irq;

include/soc/qcom/icnss.h

+4 −0
Original line number Diff line number Diff line
@@ -74,5 +74,9 @@ extern int icnss_wlan_disable(enum icnss_driver_mode mode); 
extern void icnss_enable_irq(unsigned int ce_id);

extern void icnss_disable_irq(unsigned int ce_id);

extern int icnss_get_soc_info(struct icnss_soc_info *info);

extern int icnss_ce_free_irq(unsigned int ce_id, void *ctx);

extern int icnss_ce_request_irq(unsigned int ce_id,

	irqreturn_t (*handler)(int, void *),

	unsigned long flags, const char *name, void *ctx);



#endif /* _ICNSS_WLAN_H_ */