diff options
Diffstat (limited to 'include/linux/mfd/wm8350/core.h')
-rw-r--r-- | include/linux/mfd/wm8350/core.h | 49 |
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); |