10 # am_J*j"Tz-\ *bѿ/* * HTC PASIC3 driver - LEDs and DS1WM * * Copyright (c) 2007 Philipp Zabel * * This file is subject to the terms and conditions of the GNU General Public * License. See the file COPYING in the main directory of this archive for * more details. * */ #ifndef __PASIC3_H #define __PASIC3_H #include #include extern void pasic3_write_register(struct device *dev, u32 reg, u8 val); extern u8 pasic3_read_register(struct device *dev, u32 reg); /* * mask for registers 0x20,0x21,0x22 */ #define PASIC3_MASK_LED0 0x04 #define PASIC3_MASK_LED1 0x08 #define PASIC3_MASK_LED2 0x40 /* * bits in register 0x06 */ #define PASIC3_BIT2_LED0 0x08 #define PASIC3_BIT2_LED1 0x10 #define PASIC3_BIT2_LED2 0x20 struct pasic3_led { struct led_classdev led; unsigned int hw_num; unsigned int bit2; unsigned int mask; struct pasic3_leds_machinfo *pdata; }; struct pasic3_leds_machinfo { unsigned int num_leds; unsigned int power_gpio; struct pasic3_led *leds; }; struct pasic3_platform_data { struct pasic3_leds_machinfo *led_pdata; unsigned int clock_rate; }; #endif  mþ?/* SPDX-License-Identifier: GPL-2.0-only */ /* The industrial I/O core * * Copyright (c) 2008 Jonathan Cameron */ #ifndef _INDUSTRIAL_IO_H_ #define _INDUSTRIAL_IO_H_ #include #include #include #include /* IIO TODO LIST */ /* * Provide means of adjusting timer accuracy. * Currently assumes nano seconds. */ enum iio_shared_by { IIO_SEPARATE, IIO_SHARED_BY_TYPE, IIO_SHARED_BY_DIR, IIO_SHARED_BY_ALL }; enum iio_endian { IIO_CPU, IIO_BE, IIO_LE, }; struct iio_chan_spec; struct iio_dev; /** * struct iio_chan_spec_ext_info - Extended channel info attribute * @name: Info attribute name * @shared: Whether this attribute is shared between all channels. * @read: Read callback for this info attribute, may be NULL. * @write: Write callback for this info attribute, may be NULL. * @private: Data private to the driver. */ struct iio_chan_spec_ext_info { const char *name; enum iio_shared_by shared; ssize_t (*read)(struct iio_dev *, uintptr_t private, struct iio_chan_spec const *, char *buf); ssize_t (*write)(struct iio_dev *, uintptr_t private, struct iio_chan_spec const *, const char *buf, size_t len); uintptr_t private; }; /** * struct iio_enum - Enum channel info attribute * @items: An array of strings. * @num_items: Length of the item array. * @set: Set callback function, may be NULL. * @get: Get callback function, may be NULL. * * The iio_enum struct can be used to implement enum style channel attributes. * Enum style attributes are those which have a set of strings which map to * unsigned integer values. The IIO enum helper code takes care of mapping * between value and string as well as generating a "_available" file which * contains a list of all available items. The set callback will be called when * the attribute is updated. The last parameter is the index to the newly * activated item. The get callback will be used to query the currently active * item and is supposed to return the index for it. */ struct iio_enum { const char * const *items; unsigned int num_items; int (*set)(struct iio_dev *, const struct iio_chan_spec *, unsigned int); int (*get)(struct iio_dev *, const struct iio_chan_spec *); }; ssize_t iio_enum_available_read(struct iio_dev *indio_dev, uintptr_t priv, const struct iio_chan_spec *chan, char *buf); ssize_t iio_enum_read(struct iio_dev *indio_dev, uintptr_t priv, const struct iio_chan_spec *chan, char *buf); ssize_t iio_enum_write(struct iio_dev *indio_dev, uintptr_t priv, const struct iio_chan_spec *chan, const char *buf, size_t len); /** * IIO_ENUM() - Initialize enum extended channel attribute * @_name: Attribute name * @_shared: Whether the attribute is shared between all channels *