#include <linux/module.h>
#include <linux/init.h>
#include <linux/errno.h>
#include <linux/pm.h>
#include <linux/platform_device.h>
#include <linux/i2c.h>
#include <linux/fb.h>
#include <linux/backlight.h>
#include <linux/leds.h>
#include <linux/workqueue.h>
#include <linux/slab.h>
#include <linux/i2c/adp8870.h>

Data Structures
struct	adp8870_bl

struct	adp8870_led

Macros
#define	ADP8870_EXT_FEATURES

#define	ADP8870_USE_LEDS

#define	ADP8870_MFDVID 0x00 /* Manufacturer and device ID */

#define	ADP8870_MDCR 0x01 /* Device mode and status */

#define	ADP8870_INT_STAT 0x02 /* Interrupts status */

#define	ADP8870_INT_EN 0x03 /* Interrupts enable */

#define	ADP8870_CFGR 0x04 /* Configuration register */

#define	ADP8870_BLSEL 0x05 /* Sink enable backlight or independent */

#define	ADP8870_PWMLED 0x06 /* PWM Enable Selection Register */

#define	ADP8870_BLOFF 0x07 /* Backlight off timeout */

#define	ADP8870_BLDIM 0x08 /* Backlight dim timeout */

#define	ADP8870_BLFR 0x09 /* Backlight fade in and out rates */

#define	ADP8870_BLMX1 0x0A /* Backlight (Brightness Level 1-daylight) maximum current */

#define	ADP8870_BLDM1 0x0B /* Backlight (Brightness Level 1-daylight) dim current */

#define	ADP8870_BLMX2 0x0C /* Backlight (Brightness Level 2-bright) maximum current */

#define	ADP8870_BLDM2 0x0D /* Backlight (Brightness Level 2-bright) dim current */

#define	ADP8870_BLMX3 0x0E /* Backlight (Brightness Level 3-office) maximum current */

#define	ADP8870_BLDM3 0x0F /* Backlight (Brightness Level 3-office) dim current */

#define	ADP8870_BLMX4 0x10 /* Backlight (Brightness Level 4-indoor) maximum current */

#define	ADP8870_BLDM4 0x11 /* Backlight (Brightness Level 4-indoor) dim current */

#define	ADP8870_BLMX5 0x12 /* Backlight (Brightness Level 5-dark) maximum current */

#define	ADP8870_BLDM5 0x13 /* Backlight (Brightness Level 5-dark) dim current */

#define	ADP8870_ISCLAW 0x1A /* Independent sink current fade law register */

#define	ADP8870_ISCC 0x1B /* Independent sink current control register */

#define	ADP8870_ISCT1 0x1C /* Independent Sink Current Timer Register LED[7:5] */

#define	ADP8870_ISCT2 0x1D /* Independent Sink Current Timer Register LED[4:1] */

#define	ADP8870_ISCF 0x1E /* Independent sink current fade register */

#define	ADP8870_ISC1 0x1F /* Independent Sink Current LED1 */

#define	ADP8870_ISC2 0x20 /* Independent Sink Current LED2 */

#define	ADP8870_ISC3 0x21 /* Independent Sink Current LED3 */

#define	ADP8870_ISC4 0x22 /* Independent Sink Current LED4 */

#define	ADP8870_ISC5 0x23 /* Independent Sink Current LED5 */

#define	ADP8870_ISC6 0x24 /* Independent Sink Current LED6 */

#define	ADP8870_ISC7 0x25 /* Independent Sink Current LED7 (Brightness Level 1-daylight) */

#define	ADP8870_ISC7_L2 0x26 /* Independent Sink Current LED7 (Brightness Level 2-bright) */

#define	ADP8870_ISC7_L3 0x27 /* Independent Sink Current LED7 (Brightness Level 3-office) */

#define	ADP8870_ISC7_L4 0x28 /* Independent Sink Current LED7 (Brightness Level 4-indoor) */

#define	ADP8870_ISC7_L5 0x29 /* Independent Sink Current LED7 (Brightness Level 5-dark) */

#define	ADP8870_CMP_CTL 0x2D /* ALS Comparator Control Register */

#define	ADP8870_ALS1_EN 0x2E /* Main ALS comparator level enable */

#define	ADP8870_ALS2_EN 0x2F /* Second ALS comparator level enable */

#define	ADP8870_ALS1_STAT 0x30 /* Main ALS Comparator Status Register */

#define	ADP8870_ALS2_STAT 0x31 /* Second ALS Comparator Status Register */

#define	ADP8870_L2TRP 0x32 /* L2 comparator reference */

#define	ADP8870_L2HYS 0x33 /* L2 hysteresis */

#define	ADP8870_L3TRP 0x34 /* L3 comparator reference */

#define	ADP8870_L3HYS 0x35 /* L3 hysteresis */

#define	ADP8870_L4TRP 0x36 /* L4 comparator reference */

#define	ADP8870_L4HYS 0x37 /* L4 hysteresis */

#define	ADP8870_L5TRP 0x38 /* L5 comparator reference */

#define	ADP8870_L5HYS 0x39 /* L5 hysteresis */

#define	ADP8870_PH1LEVL 0x40 /* First phototransistor ambient light level-low byte register */

#define	ADP8870_PH1LEVH 0x41 /* First phototransistor ambient light level-high byte register */

#define	ADP8870_PH2LEVL 0x42 /* Second phototransistor ambient light level-low byte register */

#define	ADP8870_PH2LEVH 0x43 /* Second phototransistor ambient light level-high byte register */

#define	ADP8870_MANUFID 0x3 /* Analog Devices AD8870 Manufacturer and device ID */

#define	ADP8870_DEVID(x) ((x) & 0xF)

#define	ADP8870_MANID(x) ((x) >> 4)

#define	D7ALSEN (1 << 7)

#define	INT_CFG (1 << 6)

#define	NSTBY (1 << 5)

#define	DIM_EN (1 << 4)

#define	GDWN_DIS (1 << 3)

#define	SIS_EN (1 << 2)

#define	CMP_AUTOEN (1 << 1)

#define	BLEN (1 << 0)

#define	L5_EN (1 << 3)

#define	L4_EN (1 << 2)

#define	L3_EN (1 << 1)

#define	L2_EN (1 << 0)

#define	CFGR_BLV_SHIFT 3

#define	CFGR_BLV_MASK 0x7

#define	ADP8870_FLAG_LED_MASK 0xFF

#define	FADE_VAL(in, out) ((0xF & (in)) \| ((0xF & (out)) << 4))

#define	BL_CFGR_VAL(law, blv) ((((blv) & CFGR_BLV_MASK) << CFGR_BLV_SHIFT) \| ((0x3 & (law)) << 1))

#define	ALS_CMPR_CFG_VAL(filt) ((0x7 & (filt)) << 1)

#define	adp8870_i2c_suspend NULL

#define	adp8870_i2c_resume NULL

Functions
	MODULE_DEVICE_TABLE (i2c, adp8870_id)

	module_i2c_driver (adp8870_driver)

	MODULE_LICENSE ("GPL v2")

	MODULE_AUTHOR ("Michael Hennerich <[email protected]>")

	MODULE_DESCRIPTION ("ADP8870 Backlight driver")

	MODULE_ALIAS ("i2c:adp8870-backlight")

Macro Definition Documentation

#define ADP8870_ALS1_EN 0x2E /* Main ALS comparator level enable */

Definition at line 63 of file adp8870_bl.c.

#define ADP8870_ALS1_STAT 0x30 /* Main ALS Comparator Status Register */

Definition at line 65 of file adp8870_bl.c.

#define ADP8870_ALS2_EN 0x2F /* Second ALS comparator level enable */

Definition at line 64 of file adp8870_bl.c.

#define ADP8870_ALS2_STAT 0x31 /* Second ALS Comparator Status Register */

Definition at line 66 of file adp8870_bl.c.

#define ADP8870_BLDIM 0x08 /* Backlight dim timeout */

Definition at line 34 of file adp8870_bl.c.

#define ADP8870_BLDM1 0x0B /* Backlight (Brightness Level 1-daylight) dim current */

Definition at line 37 of file adp8870_bl.c.

#define ADP8870_BLDM2 0x0D /* Backlight (Brightness Level 2-bright) dim current */

Definition at line 39 of file adp8870_bl.c.

#define ADP8870_BLDM3 0x0F /* Backlight (Brightness Level 3-office) dim current */

Definition at line 41 of file adp8870_bl.c.

#define ADP8870_BLDM4 0x11 /* Backlight (Brightness Level 4-indoor) dim current */

Definition at line 43 of file adp8870_bl.c.

#define ADP8870_BLDM5 0x13 /* Backlight (Brightness Level 5-dark) dim current */

Definition at line 45 of file adp8870_bl.c.

#define ADP8870_BLFR 0x09 /* Backlight fade in and out rates */

Definition at line 35 of file adp8870_bl.c.

#define ADP8870_BLMX1 0x0A /* Backlight (Brightness Level 1-daylight) maximum current */

Definition at line 36 of file adp8870_bl.c.

#define ADP8870_BLMX2 0x0C /* Backlight (Brightness Level 2-bright) maximum current */

Definition at line 38 of file adp8870_bl.c.

#define ADP8870_BLMX3 0x0E /* Backlight (Brightness Level 3-office) maximum current */

Definition at line 40 of file adp8870_bl.c.

#define ADP8870_BLMX4 0x10 /* Backlight (Brightness Level 4-indoor) maximum current */

Definition at line 42 of file adp8870_bl.c.

#define ADP8870_BLMX5 0x12 /* Backlight (Brightness Level 5-dark) maximum current */

Definition at line 44 of file adp8870_bl.c.

#define ADP8870_BLOFF 0x07 /* Backlight off timeout */

Definition at line 33 of file adp8870_bl.c.

#define ADP8870_BLSEL 0x05 /* Sink enable backlight or independent */

Definition at line 31 of file adp8870_bl.c.

#define ADP8870_CFGR 0x04 /* Configuration register */

Definition at line 30 of file adp8870_bl.c.

#define ADP8870_CMP_CTL 0x2D /* ALS Comparator Control Register */

Definition at line 62 of file adp8870_bl.c.

#define ADP8870_DEVID ( x ) ((x) & 0xF)

Definition at line 81 of file adp8870_bl.c.

#define ADP8870_EXT_FEATURES

Definition at line 22 of file adp8870_bl.c.

#define ADP8870_FLAG_LED_MASK 0xFF

Definition at line 102 of file adp8870_bl.c.

#define adp8870_i2c_resume NULL

Definition at line 966 of file adp8870_bl.c.

#define adp8870_i2c_suspend NULL

Definition at line 965 of file adp8870_bl.c.

#define ADP8870_INT_EN 0x03 /* Interrupts enable */

Definition at line 29 of file adp8870_bl.c.

#define ADP8870_INT_STAT 0x02 /* Interrupts status */

Definition at line 28 of file adp8870_bl.c.

#define ADP8870_ISC1 0x1F /* Independent Sink Current LED1 */

Definition at line 51 of file adp8870_bl.c.

#define ADP8870_ISC2 0x20 /* Independent Sink Current LED2 */

Definition at line 52 of file adp8870_bl.c.

#define ADP8870_ISC3 0x21 /* Independent Sink Current LED3 */

Definition at line 53 of file adp8870_bl.c.

#define ADP8870_ISC4 0x22 /* Independent Sink Current LED4 */

Definition at line 54 of file adp8870_bl.c.

#define ADP8870_ISC5 0x23 /* Independent Sink Current LED5 */

Definition at line 55 of file adp8870_bl.c.

#define ADP8870_ISC6 0x24 /* Independent Sink Current LED6 */

Definition at line 56 of file adp8870_bl.c.

#define ADP8870_ISC7 0x25 /* Independent Sink Current LED7 (Brightness Level 1-daylight) */

Definition at line 57 of file adp8870_bl.c.

#define ADP8870_ISC7_L2 0x26 /* Independent Sink Current LED7 (Brightness Level 2-bright) */

Definition at line 58 of file adp8870_bl.c.

#define ADP8870_ISC7_L3 0x27 /* Independent Sink Current LED7 (Brightness Level 3-office) */

Definition at line 59 of file adp8870_bl.c.

#define ADP8870_ISC7_L4 0x28 /* Independent Sink Current LED7 (Brightness Level 4-indoor) */

Definition at line 60 of file adp8870_bl.c.

#define ADP8870_ISC7_L5 0x29 /* Independent Sink Current LED7 (Brightness Level 5-dark) */

Definition at line 61 of file adp8870_bl.c.

#define ADP8870_ISCC 0x1B /* Independent sink current control register */

Definition at line 47 of file adp8870_bl.c.

#define ADP8870_ISCF 0x1E /* Independent sink current fade register */

Definition at line 50 of file adp8870_bl.c.

#define ADP8870_ISCLAW 0x1A /* Independent sink current fade law register */

Definition at line 46 of file adp8870_bl.c.

#define ADP8870_ISCT1 0x1C /* Independent Sink Current Timer Register LED[7:5] */

Definition at line 48 of file adp8870_bl.c.

#define ADP8870_ISCT2 0x1D /* Independent Sink Current Timer Register LED[4:1] */

Definition at line 49 of file adp8870_bl.c.

#define ADP8870_L2HYS 0x33 /* L2 hysteresis */

Definition at line 68 of file adp8870_bl.c.

#define ADP8870_L2TRP 0x32 /* L2 comparator reference */

Definition at line 67 of file adp8870_bl.c.

#define ADP8870_L3HYS 0x35 /* L3 hysteresis */

Definition at line 70 of file adp8870_bl.c.

#define ADP8870_L3TRP 0x34 /* L3 comparator reference */

Definition at line 69 of file adp8870_bl.c.

#define ADP8870_L4HYS 0x37 /* L4 hysteresis */

Definition at line 72 of file adp8870_bl.c.

#define ADP8870_L4TRP 0x36 /* L4 comparator reference */

Definition at line 71 of file adp8870_bl.c.

#define ADP8870_L5HYS 0x39 /* L5 hysteresis */

Definition at line 74 of file adp8870_bl.c.

#define ADP8870_L5TRP 0x38 /* L5 comparator reference */

Definition at line 73 of file adp8870_bl.c.

#define ADP8870_MANID ( x ) ((x) >> 4)

Definition at line 82 of file adp8870_bl.c.

#define ADP8870_MANUFID 0x3 /* Analog Devices AD8870 Manufacturer and device ID */

Definition at line 80 of file adp8870_bl.c.

#define ADP8870_MDCR 0x01 /* Device mode and status */

Definition at line 27 of file adp8870_bl.c.

#define ADP8870_MFDVID 0x00 /* Manufacturer and device ID */

Definition at line 26 of file adp8870_bl.c.

#define ADP8870_PH1LEVH 0x41 /* First phototransistor ambient light level-high byte register */

Definition at line 76 of file adp8870_bl.c.

#define ADP8870_PH1LEVL 0x40 /* First phototransistor ambient light level-low byte register */

Definition at line 75 of file adp8870_bl.c.

#define ADP8870_PH2LEVH 0x43 /* Second phototransistor ambient light level-high byte register */

Definition at line 78 of file adp8870_bl.c.

#define ADP8870_PH2LEVL 0x42 /* Second phototransistor ambient light level-low byte register */

Definition at line 77 of file adp8870_bl.c.

#define ADP8870_PWMLED 0x06 /* PWM Enable Selection Register */

Definition at line 32 of file adp8870_bl.c.

#define ADP8870_USE_LEDS

Definition at line 23 of file adp8870_bl.c.

#define ALS_CMPR_CFG_VAL ( filt ) ((0x7 & (filt)) << 1)

Definition at line 106 of file adp8870_bl.c.

#define BL_CFGR_VAL	(	law,
		blv
	)	((((blv) & CFGR_BLV_MASK) << CFGR_BLV_SHIFT) \| ((0x3 & (law)) << 1))

Definition at line 105 of file adp8870_bl.c.

#define BLEN (1 << 0)

Definition at line 92 of file adp8870_bl.c.

#define CFGR_BLV_MASK 0x7

Definition at line 101 of file adp8870_bl.c.

#define CFGR_BLV_SHIFT 3

Definition at line 100 of file adp8870_bl.c.

#define CMP_AUTOEN (1 << 1)

Definition at line 91 of file adp8870_bl.c.

#define D7ALSEN (1 << 7)

Definition at line 85 of file adp8870_bl.c.

#define DIM_EN (1 << 4)

Definition at line 88 of file adp8870_bl.c.

#define FADE_VAL	(	in,
		out
	)	((0xF & (in)) \| ((0xF & (out)) << 4))

Definition at line 104 of file adp8870_bl.c.

#define GDWN_DIS (1 << 3)

Definition at line 89 of file adp8870_bl.c.

#define INT_CFG (1 << 6)

Definition at line 86 of file adp8870_bl.c.

#define L2_EN (1 << 0)

Definition at line 98 of file adp8870_bl.c.

#define L3_EN (1 << 1)

Definition at line 97 of file adp8870_bl.c.

#define L4_EN (1 << 2)

Definition at line 96 of file adp8870_bl.c.

#define L5_EN (1 << 3)

Definition at line 95 of file adp8870_bl.c.

#define NSTBY (1 << 5)

Definition at line 87 of file adp8870_bl.c.

#define SIS_EN (1 << 2)

Definition at line 90 of file adp8870_bl.c.

Function Documentation

MODULE_ALIAS ( "i2c:adp8870-backlight" )

MODULE_AUTHOR ( "Michael Hennerich <[email protected]>" )

MODULE_DESCRIPTION ( "ADP8870 Backlight driver" )

MODULE_DEVICE_TABLE	(	i2c	,
		adp8870_id
	)

module_i2c_driver ( adp8870_driver )

MODULE_LICENSE ( "GPL v2" )

Data Structures

Macros

Functions

Macro Definition Documentation

Function Documentation