linux/platform_data/lm3630a_bl.h

0001 /* SPDX-License-Identifier: GPL-2.0-only */
0002 /*
0003 * Simple driver for Texas Instruments LM3630A LED Flash driver chip
0004 * Copyright (C) 2012 Texas Instruments
0005 */
0006
0007 #ifndef __LINUX_LM3630A_H
0008 #define __LINUX_LM3630A_H
0009
0010 #define LM3630A_NAME "lm3630a_bl"
0011
0012 enum lm3630a_pwm_ctrl {
0013     LM3630A_PWM_DISABLE = 0x00,
0014     LM3630A_PWM_BANK_A,
0015     LM3630A_PWM_BANK_B,
0016     LM3630A_PWM_BANK_ALL,
0017     LM3630A_PWM_BANK_A_ACT_LOW = 0x05,
0018     LM3630A_PWM_BANK_B_ACT_LOW,
0019     LM3630A_PWM_BANK_ALL_ACT_LOW,
0020 };
0021
0022 enum lm3630a_leda_ctrl {
0023     LM3630A_LEDA_DISABLE = 0x00,
0024     LM3630A_LEDA_ENABLE = 0x04,
0025     LM3630A_LEDA_ENABLE_LINEAR = 0x14,
0026 };
0027
0028 enum lm3630a_ledb_ctrl {
0029     LM3630A_LEDB_DISABLE = 0x00,
0030     LM3630A_LEDB_ON_A = 0x01,
0031     LM3630A_LEDB_ENABLE = 0x02,
0032     LM3630A_LEDB_ENABLE_LINEAR = 0x0A,
0033 };
0034
0035 #define LM3630A_MAX_BRIGHTNESS 255
0036 /*
0037  *@leda_label    : optional led a label.
0038  *@leda_init_brt : led a init brightness. 4~255
0039  *@leda_max_brt  : led a max brightness.  4~255
0040  *@leda_ctrl     : led a disable, enable linear, enable exponential
0041  *@ledb_label    : optional led b label.
0042  *@ledb_init_brt : led b init brightness. 4~255
0043  *@ledb_max_brt  : led b max brightness.  4~255
0044  *@ledb_ctrl     : led b disable, enable linear, enable exponential
0045  *@pwm_period    : pwm period
0046  *@pwm_ctrl      : pwm disable, bank a or b, active high or low
0047  */
0048 struct lm3630a_platform_data {
0049
0050     /* led a config.  */
0051     const char *leda_label;
0052     int leda_init_brt;
0053     int leda_max_brt;
0054     enum lm3630a_leda_ctrl leda_ctrl;
0055     /* led b config. */
0056     const char *ledb_label;
0057     int ledb_init_brt;
0058     int ledb_max_brt;
0059     enum lm3630a_ledb_ctrl ledb_ctrl;
0060     /* pwm config. */
0061     unsigned int pwm_period;
0062     enum lm3630a_pwm_ctrl pwm_ctrl;
0063 };
0064
0065 #endif /* __LINUX_LM3630A_H */