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0f59858d51
This driver is a general version for LM3639 backlgiht + flash driver chip of TI. LM3639: The LM3639 is a single chip LCD Display Backlight driver + white LED Camera driver. Programming is done over an I2C compatible interface. www.ti.com [akpm@linux-foundation.org: code layout tweaks] Signed-off-by: G.Shark Jeong <gshark.jeong@gmail.com> Cc: Richard Purdie <rpurdie@rpsys.net> Cc: Daniel Jeong <daniel.jeong@ti.com> Cc: Randy Dunlap <rdunlap@xenotime.net> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
70 lines
1.5 KiB
C
70 lines
1.5 KiB
C
/*
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* Simple driver for Texas Instruments LM3630 LED Flash driver chip
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* Copyright (C) 2012 Texas Instruments
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 as
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* published by the Free Software Foundation.
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*
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*/
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#ifndef __LINUX_LM3639_H
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#define __LINUX_LM3639_H
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#define LM3639_NAME "lm3639_bl"
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enum lm3639_pwm {
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LM3639_PWM_DISABLE = 0x00,
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LM3639_PWM_EN_ACTLOW = 0x48,
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LM3639_PWM_EN_ACTHIGH = 0x40,
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};
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enum lm3639_strobe {
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LM3639_STROBE_DISABLE = 0x00,
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LM3639_STROBE_EN_ACTLOW = 0x10,
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LM3639_STROBE_EN_ACTHIGH = 0x30,
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};
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enum lm3639_txpin {
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LM3639_TXPIN_DISABLE = 0x00,
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LM3639_TXPIN_EN_ACTLOW = 0x04,
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LM3639_TXPIN_EN_ACTHIGH = 0x0C,
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};
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enum lm3639_fleds {
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LM3639_FLED_DIASBLE_ALL = 0x00,
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LM3639_FLED_EN_1 = 0x40,
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LM3639_FLED_EN_2 = 0x20,
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LM3639_FLED_EN_ALL = 0x60,
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};
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enum lm3639_bleds {
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LM3639_BLED_DIASBLE_ALL = 0x00,
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LM3639_BLED_EN_1 = 0x10,
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LM3639_BLED_EN_2 = 0x08,
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LM3639_BLED_EN_ALL = 0x18,
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};
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enum lm3639_bled_mode {
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LM3639_BLED_MODE_EXPONETIAL = 0x00,
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LM3639_BLED_MODE_LINEAR = 0x10,
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};
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struct lm3639_platform_data {
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unsigned int max_brt_led;
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unsigned int init_brt_led;
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/* input pins */
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enum lm3639_pwm pin_pwm;
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enum lm3639_strobe pin_strobe;
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enum lm3639_txpin pin_tx;
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/* output pins */
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enum lm3639_fleds fled_pins;
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enum lm3639_bleds bled_pins;
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enum lm3639_bled_mode bled_mode;
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void (*pwm_set_intensity) (int brightness, int max_brightness);
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int (*pwm_get_intensity) (void);
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};
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#endif /* __LINUX_LM3639_H */
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