79 lines
1.9 KiB
C
79 lines
1.9 KiB
C
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/* sound/soc/samsung/abox/abox_gic.h
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*
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* ALSA SoC Audio Layer - Samsung Abox GIC driver
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*
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* Copyright (c) 2016 Samsung Electronics Co. Ltd.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 as
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* published by the Free Software Foundation.
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*/
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#ifndef __SND_SOC_ABOX_GIC_H
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#define __SND_SOC_ABOX_GIC_H
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#define ABOX_GIC_IRQ_COUNT 16
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struct abox_gic_irq_handler_t {
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irq_handler_t handler;
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void *dev_id;
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};
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struct abox_gic_data {
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void __iomem *gicd_base;
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void __iomem *gicc_base;
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phys_addr_t gicd_base_phys;
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phys_addr_t gicc_base_phys;
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int irq;
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struct abox_gic_irq_handler_t handler[ABOX_GIC_IRQ_COUNT];
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bool disabled;
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};
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/**
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* Generate interrupt
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* @param[in] dev pointer to abox_gic device
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* @param[in] irq irq number
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*/
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extern void abox_gic_generate_interrupt(struct device *dev, unsigned int irq);
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/**
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* Register interrupt handler
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* @param[in] dev pointer to abox_gic device
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* @param[in] irq irq number
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* @param[in] handler function to be called on interrupt
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* @param[in] dev_id cookie for interrupt.
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* @return error code or 0
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*/
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extern int abox_gic_register_irq_handler(struct device *dev,
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unsigned int irq, irq_handler_t handler, void *dev_id);
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/**
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* Unregister interrupt handler
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* @param[in] dev pointer to abox_gic device
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* @param[in] irq irq number
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* @return error code or 0
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*/
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extern int abox_gic_unregister_irq_handler(struct device *dev,
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unsigned int irq);
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/**
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* Enable abox gic irq
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* @param[in] dev pointer to abox_gic device
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*/
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extern int abox_gic_enable_irq(struct device *dev);
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/**
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* Disable abox gic irq
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* @param[in] dev pointer to abox_gic device
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*/
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extern int abox_gic_disable_irq(struct device *dev);
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/**
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* Initialize abox gic
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* @param[in] dev pointer to abox_gic device
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*/
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extern void abox_gic_init_gic(struct device *dev);
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#endif /* __SND_SOC_ABOX_GIC_H */
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