1 files changed, 82 insertions, 0 deletions
diff --git a/sound/soc/codecs/wsa881x-irq.h b/sound/soc/codecs/wsa881x-irq.h
new file mode 100644
index 000000000000..270eb917a666
--- /dev/null
+++ b/sound/soc/codecs/wsa881x-irq.h
@@ -0,0 +1,82 @@
+/* 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__ */