diff options
Diffstat (limited to 'include/linux/regulator/wm8350/wm8350-bus.h')
| -rw-r--r-- | include/linux/regulator/wm8350/wm8350-bus.h | 117 |
1 files changed, 117 insertions, 0 deletions
diff --git a/include/linux/regulator/wm8350/wm8350-bus.h b/include/linux/regulator/wm8350/wm8350-bus.h new file mode 100644 index 000000000000..ca22f8348d26 --- /dev/null +++ b/include/linux/regulator/wm8350/wm8350-bus.h @@ -0,0 +1,117 @@ +/* + * wm8350-bus.h -- Power Supply Driver for Wolfson WM8350 PMIC + * + * Copyright 2007 Wolfson Microelectronics PLC + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the + * Free Software Foundation; either version 2 of the License, or (at your + * option) any later version. + * + * Revision history + * 8th Feb 2007 Initial version. + * + */ + +#ifndef __LINUX_REGULATOR_WM8350_BUS_H_ +#define __LINUX_REGULATOR_WM8350_BUS_H_ + +#include <linux/regulator/wm8350/wm8350-pmic.h> +#include <linux/regulator/wm8350/wm8350-supply.h> +#include <linux/regulator/wm8350/wm8350-rtc.h> +#include <linux/regulator/wm8350/wm8350-wdt.h> + +/* number of WM8350 interrupts */ +#define WM8350_NUM_IRQ 79 + +/* WM8350 IO control types */ +#define WM8350_IO_I2C 0 +#define WM8350_IO_SPI 1 +#define WM8350_IO_CUSTOM 2 + +extern struct bus_type wm8350_bus_type; + +struct wm8350; +typedef int (*wm8350_hw_read_t)(struct wm8350 *wm8350, char reg, int size, char *dest); +typedef int (*wm8350_hw_write_t)(struct wm8350 *wm8350, char reg, int size, char *src); + + +struct wm8350_irq { + void (*handler)(struct wm8350 *, int, void *); + void *data; +}; + +struct wm8350_platform_data { + unsigned int pmic_irq; + unsigned int pmic_irq_type; + unsigned int rtc_per_irq; + unsigned int rtc_per_irq_type; + int isink_A_dcdc; + int isink_B_dcdc; +}; + +struct wm8350 { + /* device IO */ + unsigned short i2c_address; + struct i2c_client *i2c_client; + struct spi_device *spi_device; + wm8350_hw_read_t read_dev; + wm8350_hw_write_t write_dev; + u16 *reg_cache; + struct wm8350_platform_data *pdata; + + /* clients */ + struct wm8350_pmic pmic; + struct wm8350_wdg wdg; + struct wm8350_rtc rtc; + struct snd_soc_machine *audio; + struct wm8350_power power; + + /* irq handlers and workq */ + int nirq; + struct work_struct work; + struct mutex work_mutex; + struct wm8350_irq irq[WM8350_NUM_IRQ]; +}; +#define to_wm8350_from_pmic(d) container_of(d, struct wm8350, pmic) +#define to_wm8350_from_wdg(d) container_of(d, struct wm8350, wdg) +#define to_wm8350_from_rtc(d) container_of(d, struct wm8350, rtc) +#define to_wm8350_from_power(d) container_of(d, struct wm8350, power) +#define to_wm8350_from_audio(d) container_of(d, struct wm8350, audio) + +/* + * WM8350 device IO + */ +int wm8350_clear_bits(struct wm8350 *wm8350, u16 reg, u16 mask); +int wm8350_set_bits(struct wm8350 *wm8350, u16 reg, u16 mask); +u16 wm8350_reg_read(struct wm8350 *wm8350, int reg); +int wm8350_reg_write(struct wm8350 *wm8350, int reg, u16 val); +int wm8350_set_io(struct wm8350 *wm8350, int io, wm8350_hw_read_t read_dev, + wm8350_hw_write_t write_dev); +int wm8350_reg_lock(struct wm8350 *wm8350); +int wm8350_reg_unlock(struct wm8350 *wm8350); +int wm8350_block_read(struct wm8350 *wm8350, int reg, int size, + u16 *dest); +int wm8350_block_write(struct wm8350 *wm8350, int reg, int size, + u16 *src); +int wm8350_create_cache(struct wm8350 *wm8350); + +/* + * Client device registration. + */ +int wm8350_device_register_wdg(struct wm8350 *wm8350); +int wm8350_device_register_pmic(struct wm8350 *wm8350); +int wm8350_device_register_rtc(struct wm8350 *wm8350); +int wm8350_device_register_power(struct wm8350 *wm8350); + +/* + * IRQ + */ +int wm8350_register_irq(struct wm8350 *wm8350, int irq, + void (*handler)(struct wm8350 *, int, void *), 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); +void wm8350_irq_worker(struct work_struct *work); + +#endif |