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Diffstat (limited to 'include/linux/mfd/wm8350/core.h')
-rw-r--r--include/linux/mfd/wm8350/core.h49
1 files changed, 36 insertions, 13 deletions
diff --git a/include/linux/mfd/wm8350/core.h b/include/linux/mfd/wm8350/core.h
index 43868899bf4..98fcc977e82 100644
--- a/include/linux/mfd/wm8350/core.h
+++ b/include/linux/mfd/wm8350/core.h
@@ -16,6 +16,7 @@
#include <linux/kernel.h>
#include <linux/mutex.h>
#include <linux/interrupt.h>
+#include <linux/completion.h>
#include <linux/mfd/wm8350/audio.h>
#include <linux/mfd/wm8350/gpio.h>
@@ -579,6 +580,8 @@
#define WM8350_NUM_IRQ 63
+#define WM8350_NUM_IRQ_REGS 7
+
struct wm8350_reg_access {
u16 readable; /* Mask of readable bits */
u16 writable; /* Mask of writable bits */
@@ -600,11 +603,6 @@ extern const u16 wm8352_mode3_defaults[];
struct wm8350;
-struct wm8350_irq {
- irq_handler_t handler;
- void *data;
-};
-
struct wm8350_hwmon {
struct platform_device *pdev;
struct device *classdev;
@@ -624,11 +622,13 @@ struct wm8350 {
u16 *reg_cache;
struct mutex auxadc_mutex;
+ struct completion auxadc_done;
/* Interrupt handling */
- struct mutex irq_mutex; /* IRQ table mutex */
- struct wm8350_irq irq[WM8350_NUM_IRQ];
+ struct mutex irq_lock;
int chip_irq;
+ int irq_base;
+ u16 irq_masks[WM8350_NUM_IRQ_REGS];
/* Client devices */
struct wm8350_codec codec;
@@ -647,11 +647,13 @@ struct wm8350 {
* used by the platform to configure GPIO functions and similar.
* @irq_high: Set if WM8350 IRQ is active high.
* @irq_base: Base IRQ for genirq (not currently used).
+ * @gpio_base: Base for gpiolib.
*/
struct wm8350_platform_data {
int (*init)(struct wm8350 *wm8350);
int irq_high;
int irq_base;
+ int gpio_base;
};
@@ -677,12 +679,33 @@ int wm8350_block_write(struct wm8350 *wm8350, int reg, int size, u16 *src);
/*
* WM8350 internal interrupts
*/
-int wm8350_register_irq(struct wm8350 *wm8350, int irq,
- irq_handler_t handler, unsigned long flags,
- const char *name, void *data);
-int wm8350_free_irq(struct wm8350 *wm8350, int irq);
-int wm8350_mask_irq(struct wm8350 *wm8350, int irq);
-int wm8350_unmask_irq(struct wm8350 *wm8350, int irq);
+static inline int wm8350_register_irq(struct wm8350 *wm8350, int irq,
+ irq_handler_t handler,
+ unsigned long flags,
+ const char *name, void *data)
+{
+ if (!wm8350->irq_base)
+ return -ENODEV;
+
+ return request_threaded_irq(irq + wm8350->irq_base, NULL,
+ handler, flags, name, data);
+}
+
+static inline void wm8350_free_irq(struct wm8350 *wm8350, int irq, void *data)
+{
+ free_irq(irq + wm8350->irq_base, data);
+}
+
+static inline void wm8350_mask_irq(struct wm8350 *wm8350, int irq)
+{
+ disable_irq(irq + wm8350->irq_base);
+}
+
+static inline void wm8350_unmask_irq(struct wm8350 *wm8350, int irq)
+{
+ enable_irq(irq + wm8350->irq_base);
+}
+
int wm8350_irq_init(struct wm8350 *wm8350, int irq,
struct wm8350_platform_data *pdata);
int wm8350_irq_exit(struct wm8350 *wm8350);