#include <linux/module.h>
#include <linux/init.h>
#include <linux/i2c.h>
#include <linux/mutex.h>
#include <linux/gpio.h>
#include <linux/interrupt.h>
#include <linux/delay.h>
#include <linux/ctype.h>
#include <linux/spinlock.h>
#include <linux/wait.h>
#include <linux/leds.h>
#include <linux/leds-lp5521.h>
#include <linux/workqueue.h>
#include <linux/slab.h>

Data Structures
struct	lp5521_engine

struct	lp5521_led

struct	lp5521_chip

Macros
#define	LP5521_PROGRAM_LENGTH 32 /* in bytes */

#define	LP5521_MAX_LEDS 3 /* Maximum number of LEDs */

#define	LP5521_MAX_ENGINES 3 /* Maximum number of engines */

#define	LP5521_ENG_MASK_BASE 0x30 /* 00110000 */

#define	LP5521_ENG_STATUS_MASK 0x07 /* 00000111 */

#define	LP5521_CMD_LOAD 0x15 /* 00010101 */

#define	LP5521_CMD_RUN 0x2a /* 00101010 */

#define	LP5521_CMD_DIRECT 0x3f /* 00111111 */

#define	LP5521_CMD_DISABLED 0x00 /* 00000000 */

#define	LP5521_REG_ENABLE 0x00

#define	LP5521_REG_OP_MODE 0x01

#define	LP5521_REG_R_PWM 0x02

#define	LP5521_REG_G_PWM 0x03

#define	LP5521_REG_B_PWM 0x04

#define	LP5521_REG_R_CURRENT 0x05

#define	LP5521_REG_G_CURRENT 0x06

#define	LP5521_REG_B_CURRENT 0x07

#define	LP5521_REG_CONFIG 0x08

#define	LP5521_REG_R_CHANNEL_PC 0x09

#define	LP5521_REG_G_CHANNEL_PC 0x0A

#define	LP5521_REG_B_CHANNEL_PC 0x0B

#define	LP5521_REG_STATUS 0x0C

#define	LP5521_REG_RESET 0x0D

#define	LP5521_REG_GPO 0x0E

#define	LP5521_REG_R_PROG_MEM 0x10

#define	LP5521_REG_G_PROG_MEM 0x30

#define	LP5521_REG_B_PROG_MEM 0x50

#define	LP5521_PROG_MEM_BASE LP5521_REG_R_PROG_MEM

#define	LP5521_PROG_MEM_SIZE 0x20

#define	LP5521_REG_LED_CURRENT_BASE LP5521_REG_R_CURRENT

#define	LP5521_REG_LED_PWM_BASE LP5521_REG_R_PWM

#define	LP5521_MASTER_ENABLE 0x40 /* Chip master enable */

#define	LP5521_LOGARITHMIC_PWM 0x80 /* Logarithmic PWM adjustment */

#define	LP5521_EXEC_RUN 0x2A

#define	LP5521_ENABLE_DEFAULT (LP5521_MASTER_ENABLE \| LP5521_LOGARITHMIC_PWM)

#define	LP5521_ENABLE_RUN_PROGRAM (LP5521_ENABLE_DEFAULT \| LP5521_EXEC_RUN)

#define	LP5521_EXT_CLK_USED 0x08

#define	LP5521_REG_R_CURR_DEFAULT 0xAF

#define	PATTERN_OFF 0

#define	store_load(nr)

#define	show_mode(nr)

#define	store_mode(nr)

Functions
	store_load (1)

	show_mode (1)

	store_mode (1)

	MODULE_DEVICE_TABLE (i2c, lp5521_id)

	module_i2c_driver (lp5521_driver)

	MODULE_AUTHOR ("Mathias Nyman, Yuri Zaporozhets, Samu Onkalo")

	MODULE_DESCRIPTION ("LP5521 LED engine")

	MODULE_LICENSE ("GPL v2")

Macro Definition Documentation

#define LP5521_CMD_DIRECT 0x3f /* 00111111 */

Definition at line 48 of file leds-lp5521.c.

#define LP5521_CMD_DISABLED 0x00 /* 00000000 */

Definition at line 49 of file leds-lp5521.c.

#define LP5521_CMD_LOAD 0x15 /* 00010101 */

Definition at line 46 of file leds-lp5521.c.

#define LP5521_CMD_RUN 0x2a /* 00101010 */

Definition at line 47 of file leds-lp5521.c.

#define LP5521_ENABLE_DEFAULT (LP5521_MASTER_ENABLE | LP5521_LOGARITHMIC_PWM)

Definition at line 84 of file leds-lp5521.c.

#define LP5521_ENABLE_RUN_PROGRAM (LP5521_ENABLE_DEFAULT | LP5521_EXEC_RUN)

Definition at line 86 of file leds-lp5521.c.

#define LP5521_ENG_MASK_BASE 0x30 /* 00110000 */

Definition at line 43 of file leds-lp5521.c.

#define LP5521_ENG_STATUS_MASK 0x07 /* 00000111 */

Definition at line 44 of file leds-lp5521.c.

#define LP5521_EXEC_RUN 0x2A

Definition at line 83 of file leds-lp5521.c.

#define LP5521_EXT_CLK_USED 0x08

Definition at line 90 of file leds-lp5521.c.

#define LP5521_LOGARITHMIC_PWM 0x80 /* Logarithmic PWM adjustment */

Definition at line 82 of file leds-lp5521.c.

#define LP5521_MASTER_ENABLE 0x40 /* Chip master enable */

Definition at line 81 of file leds-lp5521.c.

#define LP5521_MAX_ENGINES 3 /* Maximum number of engines */

Definition at line 41 of file leds-lp5521.c.

#define LP5521_MAX_LEDS 3 /* Maximum number of LEDs */

Definition at line 40 of file leds-lp5521.c.

#define LP5521_PROG_MEM_BASE LP5521_REG_R_PROG_MEM

Definition at line 71 of file leds-lp5521.c.

#define LP5521_PROG_MEM_SIZE 0x20

Definition at line 72 of file leds-lp5521.c.

#define LP5521_PROGRAM_LENGTH 32 /* in bytes */

Definition at line 38 of file leds-lp5521.c.

#define LP5521_REG_B_CHANNEL_PC 0x0B

Definition at line 63 of file leds-lp5521.c.

#define LP5521_REG_B_CURRENT 0x07

Definition at line 59 of file leds-lp5521.c.

#define LP5521_REG_B_PROG_MEM 0x50

Definition at line 69 of file leds-lp5521.c.

#define LP5521_REG_B_PWM 0x04

Definition at line 56 of file leds-lp5521.c.

#define LP5521_REG_CONFIG 0x08

Definition at line 60 of file leds-lp5521.c.

#define LP5521_REG_ENABLE 0x00

Definition at line 52 of file leds-lp5521.c.

#define LP5521_REG_G_CHANNEL_PC 0x0A

Definition at line 62 of file leds-lp5521.c.

#define LP5521_REG_G_CURRENT 0x06

Definition at line 58 of file leds-lp5521.c.

#define LP5521_REG_G_PROG_MEM 0x30

Definition at line 68 of file leds-lp5521.c.

#define LP5521_REG_G_PWM 0x03

Definition at line 55 of file leds-lp5521.c.

#define LP5521_REG_GPO 0x0E

Definition at line 66 of file leds-lp5521.c.

#define LP5521_REG_LED_CURRENT_BASE LP5521_REG_R_CURRENT

Definition at line 75 of file leds-lp5521.c.

#define LP5521_REG_LED_PWM_BASE LP5521_REG_R_PWM

Definition at line 78 of file leds-lp5521.c.

#define LP5521_REG_OP_MODE 0x01

Definition at line 53 of file leds-lp5521.c.

#define LP5521_REG_R_CHANNEL_PC 0x09

Definition at line 61 of file leds-lp5521.c.

#define LP5521_REG_R_CURR_DEFAULT 0xAF

Definition at line 93 of file leds-lp5521.c.

#define LP5521_REG_R_CURRENT 0x05

Definition at line 57 of file leds-lp5521.c.

#define LP5521_REG_R_PROG_MEM 0x10

Definition at line 67 of file leds-lp5521.c.

#define LP5521_REG_R_PWM 0x02

Definition at line 54 of file leds-lp5521.c.

#define LP5521_REG_RESET 0x0D

Definition at line 65 of file leds-lp5521.c.

#define LP5521_REG_STATUS 0x0C

Definition at line 64 of file leds-lp5521.c.

#define PATTERN_OFF 0

Definition at line 96 of file leds-lp5521.c.

#define show_mode ( nr )

Value:

static ssize_t show_engine##nr##_mode(struct device *dev,       \
                    struct device_attribute *attr,  \
                    char *buf)              \
{                                   \
    return show_engine_mode(dev, attr, buf, nr);            \
}

Definition at line 433 of file leds-lp5521.c.

#define store_load ( nr )

Value:

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);      \
}

Definition at line 404 of file leds-lp5521.c.

#define store_mode ( nr )

Value:

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);      \
}

Definition at line 464 of file leds-lp5521.c.

Function Documentation

MODULE_AUTHOR	(	"Mathias	Nyman,
		Yuri	Zaporozhets,
		Samu Onkalo"
	)

MODULE_DESCRIPTION ( "LP5521 LED engine" )

MODULE_DEVICE_TABLE	(	i2c	,
		lp5521_id
	)

module_i2c_driver ( lp5521_driver )

MODULE_LICENSE ( "GPL v2" )

show_mode ( 1 )

Definition at line 440 of file leds-lp5521.c.

store_load ( 1 )

Definition at line 411 of file leds-lp5521.c.

store_mode ( 1 )

Definition at line 471 of file leds-lp5521.c.

Data Structures

Macros

Functions

Macro Definition Documentation

Function Documentation