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- /* Copyright (c) 2015, The Linux Foundation. All rights reserved.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 and
- * only 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.
- */
- #ifndef __WSA881X_IRQ_H__
- #define __WSA881X_IRQ_H__
- #include <linux/irqdomain.h>
- #include <linux/interrupt.h>
- #include <sound/soc.h>
- /**
- * enum wsa_interrupts - wsa interrupt number
- * @WSA_INT_SAF2WAR: Temp irq interrupt, from safe state to warning state.
- * @WSA_INT_WAR2SAF: Temp irq interrupt, from warning state to safe state.
- * @WSA_INT_DISABLE: Disable Temp sensor interrupts.
- * @WSA_INT_OCP: OCP interrupt.
- * @WSA_INT_CLIP: CLIP detect interrupt.
- * @WSA_NUM_IRQS: MAX Interrupt number.
- *
- * WSA IRQ Interrupt numbers.
- */
- enum wsa_interrupts {
- WSA_INT_SAF2WAR = 0,
- WSA_INT_WAR2SAF,
- WSA_INT_DISABLE,
- WSA_INT_OCP,
- WSA_INT_CLIP,
- WSA_NUM_IRQS,
- };
- /**
- * struct wsa_resource - the basic wsa_resource structure
- * @irq_lock: lock used by irq_chip functions.
- * @nested_irq_lock: lock used while handling nested interrupts.
- * @irq: interrupt number.
- * @irq_masks_cur: current mask value to be written to mask registers.
- * @irq_masks_cache: cached mask value.
- * @num_irqs: number of supported interrupts.
- * @num_irq_regs: number of irq registers.
- * @parent: parent pointer.
- * @dev: device pointer.
- * @domain: irq domain pointer.
- * codec: codec pointer.
- *
- * Contains required members used in wsa irq driver.
- */
- struct wsa_resource {
- struct mutex irq_lock;
- struct mutex nested_irq_lock;
- unsigned int irq;
- u8 irq_masks_cur;
- u8 irq_masks_cache;
- bool irq_level_high[8];
- int num_irqs;
- int num_irq_regs;
- void *parent;
- struct device *dev;
- struct irq_domain *domain;
- struct snd_soc_codec *codec;
- };
- void wsa_set_codec(struct snd_soc_codec *codec);
- void wsa_free_irq(int irq, void *data);
- void wsa_enable_irq(struct wsa_resource *wsa_res, int irq);
- void wsa_disable_irq(struct wsa_resource *wsa_res, int irq);
- void wsa_disable_irq_sync(struct wsa_resource *wsa_res, int irq);
- int wsa_request_irq(struct wsa_resource *wsa_res,
- int irq, irq_handler_t handler,
- const char *name, void *data);
- void wsa_irq_exit(struct wsa_resource *wsa_res);
- #endif /* __WSA881X_IRQ_H__ */
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