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65 lines
1.4 KiB
65 lines
1.4 KiB
/* SPDX-License-Identifier: GPL-2.0-only */ |
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/* |
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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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#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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