[linux-block.git] / include / linux / i2c / adp8870.h

/*
 * Definitions and platform data for Analog Devices
 * Backlight drivers ADP8870
 *
 * Copyright 2009-2010 Analog Devices Inc.
 *
 * Licensed under the GPL-2 or later.
 */

#ifndef __LINUX_I2C_ADP8870_H
#define __LINUX_I2C_ADP8870_H

#define ID_ADP8870		8870

#define ADP8870_MAX_BRIGHTNESS	0x7F
#define FLAG_OFFT_SHIFT 8

/*
 * LEDs subdevice platform data
 */

#define ADP8870_LED_DIS_BLINK	(0 << FLAG_OFFT_SHIFT)
#define ADP8870_LED_OFFT_600ms	(1 << FLAG_OFFT_SHIFT)
#define ADP8870_LED_OFFT_1200ms	(2 << FLAG_OFFT_SHIFT)
#define ADP8870_LED_OFFT_1800ms	(3 << FLAG_OFFT_SHIFT)

#define ADP8870_LED_ONT_200ms	0
#define ADP8870_LED_ONT_600ms	1
#define ADP8870_LED_ONT_800ms	2
#define ADP8870_LED_ONT_1200ms	3

#define ADP8870_LED_D7		(7)
#define ADP8870_LED_D6		(6)
#define ADP8870_LED_D5		(5)
#define ADP8870_LED_D4		(4)
#define ADP8870_LED_D3		(3)
#define ADP8870_LED_D2		(2)
#define ADP8870_LED_D1		(1)

/*
 * Backlight subdevice platform data
 */

#define ADP8870_BL_D7		(1 << 6)
#define ADP8870_BL_D6		(1 << 5)
#define ADP8870_BL_D5		(1 << 4)
#define ADP8870_BL_D4		(1 << 3)
#define ADP8870_BL_D3		(1 << 2)
#define ADP8870_BL_D2		(1 << 1)
#define ADP8870_BL_D1		(1 << 0)

#define ADP8870_FADE_T_DIS	0	/* Fade Timer Disabled */
#define ADP8870_FADE_T_300ms	1	/* 0.3 Sec */
#define ADP8870_FADE_T_600ms	2
#define ADP8870_FADE_T_900ms	3
#define ADP8870_FADE_T_1200ms	4
#define ADP8870_FADE_T_1500ms	5
#define ADP8870_FADE_T_1800ms	6
#define ADP8870_FADE_T_2100ms	7
#define ADP8870_FADE_T_2400ms	8
#define ADP8870_FADE_T_2700ms	9
#define ADP8870_FADE_T_3000ms	10
#define ADP8870_FADE_T_3500ms	11
#define ADP8870_FADE_T_4000ms	12
#define ADP8870_FADE_T_4500ms	13
#define ADP8870_FADE_T_5000ms	14
#define ADP8870_FADE_T_5500ms	15	/* 5.5 Sec */

#define ADP8870_FADE_LAW_LINEAR	0
#define ADP8870_FADE_LAW_SQUARE	1
#define ADP8870_FADE_LAW_CUBIC1	2
#define ADP8870_FADE_LAW_CUBIC2	3

#define ADP8870_BL_AMBL_FILT_80ms	0	/* Light sensor filter time */
#define ADP8870_BL_AMBL_FILT_160ms	1
#define ADP8870_BL_AMBL_FILT_320ms	2
#define ADP8870_BL_AMBL_FILT_640ms	3
#define ADP8870_BL_AMBL_FILT_1280ms	4
#define ADP8870_BL_AMBL_FILT_2560ms	5
#define ADP8870_BL_AMBL_FILT_5120ms	6
#define ADP8870_BL_AMBL_FILT_10240ms	7	/* 10.24 sec */

/*
 * Blacklight current 0..30mA
 */
#define ADP8870_BL_CUR_mA(I)		((I * 127) / 30)

/*
 * L2 comparator current 0..1106uA
 */
#define ADP8870_L2_COMP_CURR_uA(I)	((I * 255) / 1106)

/*
 * L3 comparator current 0..551uA
 */
#define ADP8870_L3_COMP_CURR_uA(I)	((I * 255) / 551)

/*
 * L4 comparator current 0..275uA
 */
#define ADP8870_L4_COMP_CURR_uA(I)	((I * 255) / 275)

/*
 * L5 comparator current 0..138uA
 */
#define ADP8870_L5_COMP_CURR_uA(I)	((I * 255) / 138)

struct adp8870_backlight_platform_data {
	u8 bl_led_assign;	/* 1 = Backlight 0 = Individual LED */
	u8 pwm_assign;		/* 1 = Enables PWM mode */

	u8 bl_fade_in;		/* Backlight Fade-In Timer */
	u8 bl_fade_out;		/* Backlight Fade-Out Timer */
	u8 bl_fade_law;		/* fade-on/fade-off transfer characteristic */

	u8 en_ambl_sens;	/* 1 = enable ambient light sensor */
	u8 abml_filt;		/* Light sensor filter time */

	u8 l1_daylight_max;	/* use BL_CUR_mA(I) 0 <= I <= 30 mA */
	u8 l1_daylight_dim;	/* typ = 0, use BL_CUR_mA(I) 0 <= I <= 30 mA */
	u8 l2_bright_max;	/* use BL_CUR_mA(I) 0 <= I <= 30 mA */
	u8 l2_bright_dim;	/* typ = 0, use BL_CUR_mA(I) 0 <= I <= 30 mA */
	u8 l3_office_max;	/* use BL_CUR_mA(I) 0 <= I <= 30 mA */
	u8 l3_office_dim;	/* typ = 0, use BL_CUR_mA(I) 0 <= I <= 30 mA */
	u8 l4_indoor_max;	/* use BL_CUR_mA(I) 0 <= I <= 30 mA */
	u8 l4_indor_dim;	/* typ = 0, use BL_CUR_mA(I) 0 <= I <= 30 mA */
	u8 l5_dark_max;		/* use BL_CUR_mA(I) 0 <= I <= 30 mA */
	u8 l5_dark_dim;		/* typ = 0, use BL_CUR_mA(I) 0 <= I <= 30 mA */

	u8 l2_trip;		/* use L2_COMP_CURR_uA(I) 0 <= I <= 1106 uA */
	u8 l2_hyst;		/* use L2_COMP_CURR_uA(I) 0 <= I <= 1106 uA */
	u8 l3_trip;		/* use L3_COMP_CURR_uA(I) 0 <= I <= 551 uA */
	u8 l3_hyst;		/* use L3_COMP_CURR_uA(I) 0 <= I <= 551 uA */
	u8 l4_trip;		/* use L4_COMP_CURR_uA(I) 0 <= I <= 275 uA */
	u8 l4_hyst;		/* use L4_COMP_CURR_uA(I) 0 <= I <= 275 uA */
	u8 l5_trip;		/* use L5_COMP_CURR_uA(I) 0 <= I <= 138 uA */
	u8 l5_hyst;		/* use L6_COMP_CURR_uA(I) 0 <= I <= 138 uA */

	/**
	 * Independent Current Sinks / LEDS
	 * Sinks not assigned to the Backlight can be exposed to
	 * user space using the LEDS CLASS interface
	 */

	int num_leds;
	struct led_info	*leds;
	u8 led_fade_in;		/* LED Fade-In Timer */
	u8 led_fade_out;	/* LED Fade-Out Timer */
	u8 led_fade_law;	/* fade-on/fade-off transfer characteristic */
	u8 led_on_time;
};

#endif /* __LINUX_I2C_ADP8870_H */
Commit	Line	Data
a59ec1e7 MH	1	/*
	2	* Definitions and platform data for Analog Devices
	3	* Backlight drivers ADP8870
	4	*
	5	* Copyright 2009-2010 Analog Devices Inc.
	6	*
	7	* Licensed under the GPL-2 or later.
	8	*/
	9
	10	#ifndef __LINUX_I2C_ADP8870_H
	11	#define __LINUX_I2C_ADP8870_H
	12
	13	#define ID_ADP8870 8870
	14
	15	#define ADP8870_MAX_BRIGHTNESS 0x7F
	16	#define FLAG_OFFT_SHIFT 8
	17
	18	/*
	19	* LEDs subdevice platform data
	20	*/
	21
	22	#define ADP8870_LED_DIS_BLINK (0 << FLAG_OFFT_SHIFT)
	23	#define ADP8870_LED_OFFT_600ms (1 << FLAG_OFFT_SHIFT)
	24	#define ADP8870_LED_OFFT_1200ms (2 << FLAG_OFFT_SHIFT)
	25	#define ADP8870_LED_OFFT_1800ms (3 << FLAG_OFFT_SHIFT)
	26
	27	#define ADP8870_LED_ONT_200ms 0
	28	#define ADP8870_LED_ONT_600ms 1
	29	#define ADP8870_LED_ONT_800ms 2
	30	#define ADP8870_LED_ONT_1200ms 3
	31
	32	#define ADP8870_LED_D7 (7)
	33	#define ADP8870_LED_D6 (6)
	34	#define ADP8870_LED_D5 (5)
	35	#define ADP8870_LED_D4 (4)
	36	#define ADP8870_LED_D3 (3)
	37	#define ADP8870_LED_D2 (2)
	38	#define ADP8870_LED_D1 (1)
	39
	40	/*
	41	* Backlight subdevice platform data
	42	*/
	43
	44	#define ADP8870_BL_D7 (1 << 6)
	45	#define ADP8870_BL_D6 (1 << 5)
	46	#define ADP8870_BL_D5 (1 << 4)
	47	#define ADP8870_BL_D4 (1 << 3)
	48	#define ADP8870_BL_D3 (1 << 2)
	49	#define ADP8870_BL_D2 (1 << 1)
	50	#define ADP8870_BL_D1 (1 << 0)
	51
	52	#define ADP8870_FADE_T_DIS 0 /* Fade Timer Disabled */
	53	#define ADP8870_FADE_T_300ms 1 /* 0.3 Sec */
	54	#define ADP8870_FADE_T_600ms 2
	55	#define ADP8870_FADE_T_900ms 3
	56	#define ADP8870_FADE_T_1200ms 4
	57	#define ADP8870_FADE_T_1500ms 5
	58	#define ADP8870_FADE_T_1800ms 6
	59	#define ADP8870_FADE_T_2100ms 7
	60	#define ADP8870_FADE_T_2400ms 8
	61	#define ADP8870_FADE_T_2700ms 9
	62	#define ADP8870_FADE_T_3000ms 10
	63	#define ADP8870_FADE_T_3500ms 11
	64	#define ADP8870_FADE_T_4000ms 12
65	#define ADP8870_FADE_T_4500ms 13
66	#define ADP8870_FADE_T_5000ms 14
67	#define ADP8870_FADE_T_5500ms 15 /* 5.5 Sec */
68
69	#define ADP8870_FADE_LAW_LINEAR 0
70	#define ADP8870_FADE_LAW_SQUARE 1
71	#define ADP8870_FADE_LAW_CUBIC1 2
72	#define ADP8870_FADE_LAW_CUBIC2 3
73
74	#define ADP8870_BL_AMBL_FILT_80ms 0 /* Light sensor filter time */
75	#define ADP8870_BL_AMBL_FILT_160ms 1
76	#define ADP8870_BL_AMBL_FILT_320ms 2
77	#define ADP8870_BL_AMBL_FILT_640ms 3
78	#define ADP8870_BL_AMBL_FILT_1280ms 4
79	#define ADP8870_BL_AMBL_FILT_2560ms 5
80	#define ADP8870_BL_AMBL_FILT_5120ms 6
81	#define ADP8870_BL_AMBL_FILT_10240ms 7 /* 10.24 sec */
82
83	/*
84	* Blacklight current 0..30mA
85	*/
86	#define ADP8870_BL_CUR_mA(I) ((I * 127) / 30)
87
88	/*
89	* L2 comparator current 0..1106uA
90	*/
91	#define ADP8870_L2_COMP_CURR_uA(I) ((I * 255) / 1106)
92
93	/*
94	* L3 comparator current 0..551uA
95	*/
96	#define ADP8870_L3_COMP_CURR_uA(I) ((I * 255) / 551)
97
98	/*
99	* L4 comparator current 0..275uA
100	*/
101	#define ADP8870_L4_COMP_CURR_uA(I) ((I * 255) / 275)
102
103	/*
104	* L5 comparator current 0..138uA
105	*/
106	#define ADP8870_L5_COMP_CURR_uA(I) ((I * 255) / 138)
107
108	struct adp8870_backlight_platform_data {
109	u8 bl_led_assign; /* 1 = Backlight 0 = Individual LED */
110	u8 pwm_assign; /* 1 = Enables PWM mode */
111
112	u8 bl_fade_in; /* Backlight Fade-In Timer */
113	u8 bl_fade_out; /* Backlight Fade-Out Timer */
114	u8 bl_fade_law; /* fade-on/fade-off transfer characteristic */
115
116	u8 en_ambl_sens; /* 1 = enable ambient light sensor */
117	u8 abml_filt; /* Light sensor filter time */
118
119	u8 l1_daylight_max; /* use BL_CUR_mA(I) 0 <= I <= 30 mA */
120	u8 l1_daylight_dim; /* typ = 0, use BL_CUR_mA(I) 0 <= I <= 30 mA */
121	u8 l2_bright_max; /* use BL_CUR_mA(I) 0 <= I <= 30 mA */
122	u8 l2_bright_dim; /* typ = 0, use BL_CUR_mA(I) 0 <= I <= 30 mA */
123	u8 l3_office_max; /* use BL_CUR_mA(I) 0 <= I <= 30 mA */
124	u8 l3_office_dim; /* typ = 0, use BL_CUR_mA(I) 0 <= I <= 30 mA */
125	u8 l4_indoor_max; /* use BL_CUR_mA(I) 0 <= I <= 30 mA */
126	u8 l4_indor_dim; /* typ = 0, use BL_CUR_mA(I) 0 <= I <= 30 mA */
127	u8 l5_dark_max; /* use BL_CUR_mA(I) 0 <= I <= 30 mA */
128	u8 l5_dark_dim; /* typ = 0, use BL_CUR_mA(I) 0 <= I <= 30 mA */
129
130	u8 l2_trip; /* use L2_COMP_CURR_uA(I) 0 <= I <= 1106 uA */
131	u8 l2_hyst; /* use L2_COMP_CURR_uA(I) 0 <= I <= 1106 uA */
132	u8 l3_trip; /* use L3_COMP_CURR_uA(I) 0 <= I <= 551 uA */
133	u8 l3_hyst; /* use L3_COMP_CURR_uA(I) 0 <= I <= 551 uA */
134	u8 l4_trip; /* use L4_COMP_CURR_uA(I) 0 <= I <= 275 uA */
135	u8 l4_hyst; /* use L4_COMP_CURR_uA(I) 0 <= I <= 275 uA */
136	u8 l5_trip; /* use L5_COMP_CURR_uA(I) 0 <= I <= 138 uA */
137	u8 l5_hyst; /* use L6_COMP_CURR_uA(I) 0 <= I <= 138 uA */
138
139	/**
140	* Independent Current Sinks / LEDS
141	* Sinks not assigned to the Backlight can be exposed to
142	* user space using the LEDS CLASS interface
143	*/
144
145	int num_leds;
146	struct led_info *leds;
147	u8 led_fade_in; /* LED Fade-In Timer */
148	u8 led_fade_out; /* LED Fade-Out Timer */
149	u8 led_fade_law; /* fade-on/fade-off transfer characteristic */
150	u8 led_on_time;
151	};
152
153	#endif /* __LINUX_I2C_ADP8870_H */