#include <linux/module.h>
#include <linux/i2c.h>
#include <linux/gpio.h>
#include <linux/delay.h>
#include <linux/leds.h>
#include <linux/leds-bd2802.h>
#include <linux/slab.h>
#include <linux/pm.h>

Data Structures
struct	led_state

struct	bd2802_led

Macros
#define	LED_CTL(rgb2en, rgb1en) ((rgb2en) << 4 \| ((rgb1en) << 0))

#define	BD2802_LED_OFFSET 0xa

#define	BD2802_COLOR_OFFSET 0x3

#define	BD2802_REG_CLKSETUP 0x00

#define	BD2802_REG_CONTROL 0x01

#define	BD2802_REG_HOURSETUP 0x02

#define	BD2802_REG_CURRENT1SETUP 0x03

#define	BD2802_REG_CURRENT2SETUP 0x04

#define	BD2802_REG_WAVEPATTERN 0x05

#define	BD2802_CURRENT_032 0x10 /* 3.2mA */

#define	BD2802_CURRENT_000 0x00 /* 0.0mA */

#define	BD2802_PATTERN_FULL 0x07

#define	BD2802_PATTERN_HALF 0x03

#define	BD2802_SET_REGISTER(reg_addr, reg_name)

#define	BD2802_CONTROL_ATTR(attr_name, name_str)

#define	BD2802_CONTROL_RGBS(name, id, clr)

#define	BD2802_PM NULL

Enumerations
enum	led_ids { LED1, LED2, LED_NUM }

enum	led_colors { RED, GREEN, BLUE }

enum	led_bits { BD2802_OFF, BD2802_BLINK, BD2802_ON }

Functions
	BD2802_SET_REGISTER (0x00,"0x00")

	BD2802_SET_REGISTER (0x01,"0x01")

	BD2802_SET_REGISTER (0x02,"0x02")

	BD2802_SET_REGISTER (0x03,"0x03")

	BD2802_SET_REGISTER (0x04,"0x04")

	BD2802_SET_REGISTER (0x05,"0x05")

	BD2802_SET_REGISTER (0x06,"0x06")

	BD2802_SET_REGISTER (0x07,"0x07")

	BD2802_SET_REGISTER (0x08,"0x08")

	BD2802_SET_REGISTER (0x09,"0x09")

	BD2802_SET_REGISTER (0x0a,"0x0a")

	BD2802_SET_REGISTER (0x0b,"0x0b")

	BD2802_SET_REGISTER (0x0c,"0x0c")

	BD2802_SET_REGISTER (0x0d,"0x0d")

	BD2802_SET_REGISTER (0x0e,"0x0e")

	BD2802_SET_REGISTER (0x0f,"0x0f")

	BD2802_SET_REGISTER (0x10,"0x10")

	BD2802_SET_REGISTER (0x11,"0x11")

	BD2802_SET_REGISTER (0x12,"0x12")

	BD2802_SET_REGISTER (0x13,"0x13")

	BD2802_SET_REGISTER (0x14,"0x14")

	BD2802_SET_REGISTER (0x15,"0x15")

	BD2802_CONTROL_ATTR (wave_pattern,"wave_pattern")

	BD2802_CONTROL_ATTR (rgb_current,"rgb_current")

	BD2802_CONTROL_RGBS (led1r, LED1, RED)

	BD2802_CONTROL_RGBS (led1g, LED1, GREEN)

	BD2802_CONTROL_RGBS (led1b, LED1, BLUE)

	BD2802_CONTROL_RGBS (led2r, LED2, RED)

	BD2802_CONTROL_RGBS (led2g, LED2, GREEN)

	BD2802_CONTROL_RGBS (led2b, LED2, BLUE)

	MODULE_DEVICE_TABLE (i2c, bd2802_id)

	module_i2c_driver (bd2802_i2c_driver)

	MODULE_AUTHOR ("Kim Kyuwon <[email protected]>")

	MODULE_DESCRIPTION ("BD2802 LED driver")

	MODULE_LICENSE ("GPL v2")

Macro Definition Documentation

#define BD2802_COLOR_OFFSET 0x3

Definition at line 27 of file leds-bd2802.c.

#define BD2802_CONTROL_ATTR	(	attr_name,
		name_str
	)

Definition at line 476 of file leds-bd2802.c.

#define BD2802_CONTROL_RGBS	(	name,
		id,
		clr
	)

Value:

static void bd2802_set_##name##_brightness(struct led_classdev *led_cdev,\
                    enum led_brightness value)  \
{                                   \
	struct bd2802_led *led =                   \
        container_of(led_cdev, struct bd2802_led, cdev_##name); \
    led->led_id = id;                       \
    led->color = clr;                       \
    if (value == LED_OFF)                       \
        led->state = BD2802_OFF;                \
    else                                \
        led->state = BD2802_ON;                 \
    schedule_work(&led->work);                  \
}                                   \
static int bd2802_set_##name##_blink(struct led_classdev *led_cdev, \
        unsigned long *delay_on, unsigned long *delay_off)  \
{                                   \
	struct bd2802_led *led =                   \
        container_of(led_cdev, struct bd2802_led, cdev_##name); \
    if (*delay_on == 0 || *delay_off == 0)              \
        return -EINVAL;                     \
    led->led_id = id;                       \
    led->color = clr;                       \
    led->state = BD2802_BLINK;                  \
    schedule_work(&led->work);                  \
    return 0;                           \
}

Definition at line 531 of file leds-bd2802.c.

#define BD2802_CURRENT_000 0x00 /* 0.0mA */

Definition at line 37 of file leds-bd2802.c.

#define BD2802_CURRENT_032 0x10 /* 3.2mA */

Definition at line 36 of file leds-bd2802.c.

#define BD2802_LED_OFFSET 0xa

Definition at line 26 of file leds-bd2802.c.

#define BD2802_PATTERN_FULL 0x07

Definition at line 39 of file leds-bd2802.c.

#define BD2802_PATTERN_HALF 0x03

Definition at line 40 of file leds-bd2802.c.

#define BD2802_PM NULL

Definition at line 792 of file leds-bd2802.c.

#define BD2802_REG_CLKSETUP 0x00

Definition at line 29 of file leds-bd2802.c.

#define BD2802_REG_CONTROL 0x01

Definition at line 30 of file leds-bd2802.c.

#define BD2802_REG_CURRENT1SETUP 0x03

Definition at line 32 of file leds-bd2802.c.

#define BD2802_REG_CURRENT2SETUP 0x04

Definition at line 33 of file leds-bd2802.c.

#define BD2802_REG_HOURSETUP 0x02

Definition at line 31 of file leds-bd2802.c.

#define BD2802_REG_WAVEPATTERN 0x05

Definition at line 34 of file leds-bd2802.c.

#define BD2802_SET_REGISTER	(	reg_addr,
		reg_name
	)

Value:

static ssize_t bd2802_store_reg##reg_addr(struct device *dev,       \
    struct device_attribute *attr, const char *buf, size_t count)   \
{                                   \
	struct bd2802_led *led = i2c_get_clientdata(to_i2c_client(dev));\
    unsigned long val;                      \
    int ret;                            \
    if (!count)                         \
        return -EINVAL;                     \
    ret = strict_strtoul(buf, 16, &val);                \
    if (ret)                            \
        return ret;                     \
    down_write(&led->rwsem);                    \
    bd2802_write_byte(led->client, reg_addr, (u8) val);     \
    up_write(&led->rwsem);                      \
    return count;                           \
}                                   \
static struct device_attribute bd2802_reg##reg_addr##_attr = {      \
    .attr = {.name = reg_name, .mode = 0644},           \
    .store = bd2802_store_reg##reg_addr,                \
};

Definition at line 322 of file leds-bd2802.c.

#define LED_CTL	(	rgb2en,
		rgb1en
	)	((rgb2en) << 4 \| ((rgb1en) << 0))

Definition at line 24 of file leds-bd2802.c.

Enumeration Type Documentation

enum led_bits

Enumerator:

BD2802_OFF
BD2802_BLINK
BD2802_ON

Definition at line 54 of file leds-bd2802.c.

enum led_colors

Enumerator:

RED
GREEN
BLUE

Definition at line 48 of file leds-bd2802.c.

enum led_ids

Enumerator:

LED1
LED2
LED_NUM

Definition at line 42 of file leds-bd2802.c.

Function Documentation

BD2802_CONTROL_ATTR	(	wave_pattern	,
		"wave_pattern"
	)

BD2802_CONTROL_ATTR	(	rgb_current	,
		"rgb_current"
	)

BD2802_CONTROL_RGBS	(	led1r	,
		LED1	,
		RED
	)

BD2802_CONTROL_RGBS	(	led1g	,
		LED1	,
		GREEN
	)

BD2802_CONTROL_RGBS	(	led1b	,
		LED1	,
		BLUE
	)

BD2802_CONTROL_RGBS	(	led2r	,
		LED2	,
		RED
	)

BD2802_CONTROL_RGBS	(	led2g	,
		LED2	,
		GREEN
	)

BD2802_CONTROL_RGBS	(	led2b	,
		LED2	,
		BLUE
	)

BD2802_SET_REGISTER	(	0x00	,
		"0x00"
	)

BD2802_SET_REGISTER	(	0x01	,
		"0x01"
	)

BD2802_SET_REGISTER	(	0x02	,
		"0x02"
	)

BD2802_SET_REGISTER	(	0x03	,
		"0x03"
	)

BD2802_SET_REGISTER	(	0x04	,
		"0x04"
	)

BD2802_SET_REGISTER	(	0x05	,
		"0x05"
	)

BD2802_SET_REGISTER	(	0x06	,
		"0x06"
	)

BD2802_SET_REGISTER	(	0x07	,
		"0x07"
	)

BD2802_SET_REGISTER	(	0x08	,
		"0x08"
	)

BD2802_SET_REGISTER	(	0x09	,
		"0x09"
	)

BD2802_SET_REGISTER	(	0x0a	,
		"0x0a"
	)

BD2802_SET_REGISTER	(	0x0b	,
		"0x0b"
	)

BD2802_SET_REGISTER	(	0x0c	,
		"0x0c"
	)

BD2802_SET_REGISTER	(	0x0d	,
		"0x0d"
	)

BD2802_SET_REGISTER	(	0x0e	,
		"0x0e"
	)

BD2802_SET_REGISTER	(	0x0f	,
		"0x0f"
	)

BD2802_SET_REGISTER	(	0x10	,
		"0x10"
	)

BD2802_SET_REGISTER	(	0x11	,
		"0x11"
	)

BD2802_SET_REGISTER	(	0x12	,
		"0x12"
	)

BD2802_SET_REGISTER	(	0x13	,
		"0x13"
	)

BD2802_SET_REGISTER	(	0x14	,
		"0x14"
	)

BD2802_SET_REGISTER	(	0x15	,
		"0x15"
	)

MODULE_AUTHOR ( "Kim Kyuwon <[email protected]>" )

MODULE_DESCRIPTION ( "BD2802 LED driver" )

MODULE_DEVICE_TABLE	(	i2c	,
		bd2802_id
	)

module_i2c_driver ( bd2802_i2c_driver )

MODULE_LICENSE ( "GPL v2" )

Data Structures

Macros

Enumerations

Functions

Macro Definition Documentation

Enumeration Type Documentation

Function Documentation