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65 lines
1.6 KiB
65 lines
1.6 KiB
/* SPDX-License-Identifier: GPL-2.0-only */ |
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/* |
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* Simple driver for Texas Instruments LM3630A LED Flash driver chip |
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* Copyright (C) 2012 Texas Instruments |
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*/ |
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#ifndef __LINUX_LM3630A_H |
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#define __LINUX_LM3630A_H |
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#define LM3630A_NAME "lm3630a_bl" |
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enum lm3630a_pwm_ctrl { |
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LM3630A_PWM_DISABLE = 0x00, |
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LM3630A_PWM_BANK_A, |
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LM3630A_PWM_BANK_B, |
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LM3630A_PWM_BANK_ALL, |
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LM3630A_PWM_BANK_A_ACT_LOW = 0x05, |
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LM3630A_PWM_BANK_B_ACT_LOW, |
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LM3630A_PWM_BANK_ALL_ACT_LOW, |
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}; |
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enum lm3630a_leda_ctrl { |
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LM3630A_LEDA_DISABLE = 0x00, |
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LM3630A_LEDA_ENABLE = 0x04, |
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LM3630A_LEDA_ENABLE_LINEAR = 0x14, |
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}; |
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enum lm3630a_ledb_ctrl { |
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LM3630A_LEDB_DISABLE = 0x00, |
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LM3630A_LEDB_ON_A = 0x01, |
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LM3630A_LEDB_ENABLE = 0x02, |
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LM3630A_LEDB_ENABLE_LINEAR = 0x0A, |
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}; |
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#define LM3630A_MAX_BRIGHTNESS 255 |
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/* |
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*@leda_label : optional led a label. |
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*@leda_init_brt : led a init brightness. 4~255 |
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*@leda_max_brt : led a max brightness. 4~255 |
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*@leda_ctrl : led a disable, enable linear, enable exponential |
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*@ledb_label : optional led b label. |
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*@ledb_init_brt : led b init brightness. 4~255 |
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*@ledb_max_brt : led b max brightness. 4~255 |
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*@ledb_ctrl : led b disable, enable linear, enable exponential |
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*@pwm_period : pwm period |
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*@pwm_ctrl : pwm disable, bank a or b, active high or low |
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*/ |
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struct lm3630a_platform_data { |
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/* led a config. */ |
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const char *leda_label; |
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int leda_init_brt; |
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int leda_max_brt; |
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enum lm3630a_leda_ctrl leda_ctrl; |
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/* led b config. */ |
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const char *ledb_label; |
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int ledb_init_brt; |
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int ledb_max_brt; |
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enum lm3630a_ledb_ctrl ledb_ctrl; |
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/* pwm config. */ |
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unsigned int pwm_period; |
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enum lm3630a_pwm_ctrl pwm_ctrl; |
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}; |
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#endif /* __LINUX_LM3630A_H */
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