| Author | Tokens | Token Proportion | Commits | Commit Proportion |
|---|---|---|---|---|
| Kim (Woogyom) Milo | 449 | 95.53% | 17 | 89.47% |
| Linus Walleij | 15 | 3.19% | 1 | 5.26% |
| Andrew Lunn | 6 | 1.28% | 1 | 5.26% |
| Total | 470 | 19 |
/* * LP55XX Common Driver Header * * Copyright (C) 2012 Texas Instruments * * Author: Milo(Woogyom) Kim <milo.kim@ti.com> * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License * version 2 as published by the Free Software Foundation. * * Derived from leds-lp5521.c, leds-lp5523.c */ #ifndef _LEDS_LP55XX_COMMON_H #define _LEDS_LP55XX_COMMON_H enum lp55xx_engine_index { LP55XX_ENGINE_INVALID, LP55XX_ENGINE_1, LP55XX_ENGINE_2, LP55XX_ENGINE_3, LP55XX_ENGINE_MAX = LP55XX_ENGINE_3, }; enum lp55xx_engine_mode { LP55XX_ENGINE_DISABLED, LP55XX_ENGINE_LOAD, LP55XX_ENGINE_RUN, }; #define LP55XX_DEV_ATTR_RW(name, show, store) \ DEVICE_ATTR(name, S_IRUGO | S_IWUSR, show, store) #define LP55XX_DEV_ATTR_RO(name, show) \ DEVICE_ATTR(name, S_IRUGO, show, NULL) #define LP55XX_DEV_ATTR_WO(name, store) \ DEVICE_ATTR(name, S_IWUSR, NULL, store) #define show_mode(nr) \ static ssize_t show_engine##nr##_mode(struct device *dev, \ struct device_attribute *attr, \ char *buf) \ { \ return show_engine_mode(dev, attr, buf, nr); \ } #define store_mode(nr) \ static ssize_t store_engine##nr##_mode(struct device *dev, \ struct device_attribute *attr, \ const char *buf, size_t len) \ { \ return store_engine_mode(dev, attr, buf, len, nr); \ } #define show_leds(nr) \ static ssize_t show_engine##nr##_leds(struct device *dev, \ struct device_attribute *attr, \ char *buf) \ { \ return show_engine_leds(dev, attr, buf, nr); \ } #define store_leds(nr) \ static ssize_t store_engine##nr##_leds(struct device *dev, \ struct device_attribute *attr, \ const char *buf, size_t len) \ { \ return store_engine_leds(dev, attr, buf, len, nr); \ } #define store_load(nr) \ static ssize_t store_engine##nr##_load(struct device *dev, \ struct device_attribute *attr, \ const char *buf, size_t len) \ { \ return store_engine_load(dev, attr, buf, len, nr); \ } struct lp55xx_led; struct lp55xx_chip; /* * struct lp55xx_reg * @addr : Register address * @val : Register value */ struct lp55xx_reg { u8 addr; u8 val; }; /* * struct lp55xx_device_config * @reset : Chip specific reset command * @enable : Chip specific enable command * @max_channel : Maximum number of channels * @post_init_device : Chip specific initialization code * @brightness_fn : Brightness function * @set_led_current : LED current set function * @firmware_cb : Call function when the firmware is loaded * @run_engine : Run internal engine for pattern * @dev_attr_group : Device specific attributes */ struct lp55xx_device_config { const struct lp55xx_reg reset; const struct lp55xx_reg enable; const int max_channel; /* define if the device has specific initialization process */ int (*post_init_device) (struct lp55xx_chip *chip); /* access brightness register */ int (*brightness_fn)(struct lp55xx_led *led); /* current setting function */ void (*set_led_current) (struct lp55xx_led *led, u8 led_current); /* access program memory when the firmware is loaded */ void (*firmware_cb)(struct lp55xx_chip *chip); /* used for running firmware LED patterns */ void (*run_engine) (struct lp55xx_chip *chip, bool start); /* additional device specific attributes */ const struct attribute_group *dev_attr_group; }; /* * struct lp55xx_engine * @mode : Engine mode * @led_mux : Mux bits for LED selection. Only used in LP5523 */ struct lp55xx_engine { enum lp55xx_engine_mode mode; u16 led_mux; }; /* * struct lp55xx_chip * @cl : I2C communication for access registers * @pdata : Platform specific data * @lock : Lock for user-space interface * @num_leds : Number of registered LEDs * @cfg : Device specific configuration data * @engine_idx : Selected engine number * @engines : Engine structure for the device attribute R/W interface * @fw : Firmware data for running a LED pattern */ struct lp55xx_chip { struct i2c_client *cl; struct clk *clk; struct lp55xx_platform_data *pdata; struct mutex lock; /* lock for user-space interface */ int num_leds; struct lp55xx_device_config *cfg; enum lp55xx_engine_index engine_idx; struct lp55xx_engine engines[LP55XX_ENGINE_MAX]; const struct firmware *fw; }; /* * struct lp55xx_led * @chan_nr : Channel number * @cdev : LED class device * @led_current : Current setting at each led channel * @max_current : Maximun current at each led channel * @brightness : Brightness value * @chip : The lp55xx chip data */ struct lp55xx_led { int chan_nr; struct led_classdev cdev; u8 led_current; u8 max_current; u8 brightness; struct lp55xx_chip *chip; }; /* register access */ extern int lp55xx_write(struct lp55xx_chip *chip, u8 reg, u8 val); extern int lp55xx_read(struct lp55xx_chip *chip, u8 reg, u8 *val); extern int lp55xx_update_bits(struct lp55xx_chip *chip, u8 reg, u8 mask, u8 val); /* external clock detection */ extern bool lp55xx_is_extclk_used(struct lp55xx_chip *chip); /* common device init/deinit functions */ extern int lp55xx_init_device(struct lp55xx_chip *chip); extern void lp55xx_deinit_device(struct lp55xx_chip *chip); /* common LED class device functions */ extern int lp55xx_register_leds(struct lp55xx_led *led, struct lp55xx_chip *chip); extern void lp55xx_unregister_leds(struct lp55xx_led *led, struct lp55xx_chip *chip); /* common device attributes functions */ extern int lp55xx_register_sysfs(struct lp55xx_chip *chip); extern void lp55xx_unregister_sysfs(struct lp55xx_chip *chip); /* common device tree population function */ extern struct lp55xx_platform_data *lp55xx_of_populate_pdata(struct device *dev, struct device_node *np); #endif /* _LEDS_LP55XX_COMMON_H */
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