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- /*
- * include/linux/mfd/wm8994/core.h -- Core interface for WM8994
- *
- * Copyright 2009 Wolfson Microelectronics PLC.
- *
- * Author: Mark Brown <broonie@opensource.wolfsonmicro.com>
- *
- * 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.
- *
- */
- #ifndef __MFD_WM8994_CORE_H__
- #define __MFD_WM8994_CORE_H__
- struct regulator_dev;
- struct regulator_bulk_data;
- #define WM8994_NUM_GPIO_REGS 11
- #define WM8994_NUM_LDO_REGS 2
- struct wm8994 {
- struct mutex io_lock;
- struct device *dev;
- int (*read_dev)(struct wm8994 *wm8994, unsigned short reg,
- int bytes, void *dest);
- int (*write_dev)(struct wm8994 *wm8994, unsigned short reg,
- int bytes, void *src);
- void *control_data;
- int gpio_base;
- /* Used over suspend/resume */
- u16 ldo_regs[WM8994_NUM_LDO_REGS];
- u16 gpio_regs[WM8994_NUM_GPIO_REGS];
- struct regulator_dev *dbvdd;
- struct regulator_bulk_data *supplies;
- };
- /* Device I/O API */
- int wm8994_reg_read(struct wm8994 *wm8994, unsigned short reg);
- int wm8994_reg_write(struct wm8994 *wm8994, unsigned short reg,
- unsigned short val);
- int wm8994_set_bits(struct wm8994 *wm8994, unsigned short reg,
- unsigned short mask, unsigned short val);
- int wm8994_bulk_read(struct wm8994 *wm8994, unsigned short reg,
- int count, u16 *buf);
- #endif
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