| /* Copyright (c) 2010-2012, Code Aurora Forum. All rights reserved. |
| * |
| * This program is free software; you can redistribute it and/or modify |
| * it under the terms of the GNU General Public License version 2 and |
| * only version 2 as published by the Free Software Foundation. |
| * |
| * This program is distributed in the hope that it will be useful, |
| * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| * GNU General Public License for more details. |
| */ |
| |
| #ifndef __LEDS_PM8XXX_H__ |
| #define __LEDS_PM8XXX_H__ |
| |
| #include <linux/kernel.h> |
| #include <linux/mfd/pm8xxx/pwm.h> |
| |
| #define PM8XXX_LEDS_DEV_NAME "pm8xxx-led" |
| |
| /** |
| * enum pm8xxx_leds - PMIC8XXX supported led ids |
| * @PM8XXX_ID_LED_KB_LIGHT - keyboard backlight led |
| * @PM8XXX_ID_LED_0 - First low current led |
| * @PM8XXX_ID_LED_1 - Second low current led |
| * @PM8XXX_ID_LED_2 - Third low current led |
| * @PM8XXX_ID_FLASH_LED_0 - First flash led |
| * @PM8XXX_ID_FLASH_LED_0 - Second flash led |
| */ |
| enum pm8xxx_leds { |
| PM8XXX_ID_LED_KB_LIGHT = 1, |
| PM8XXX_ID_LED_0, |
| PM8XXX_ID_LED_1, |
| PM8XXX_ID_LED_2, |
| PM8XXX_ID_FLASH_LED_0, |
| PM8XXX_ID_FLASH_LED_1, |
| PM8XXX_ID_WLED, |
| PM8XXX_ID_RGB_LED_RED, |
| PM8XXX_ID_RGB_LED_GREEN, |
| PM8XXX_ID_RGB_LED_BLUE, |
| PM8XXX_ID_MAX, |
| }; |
| |
| /** |
| * pm8xxx_led_modes - Operating modes of LEDs |
| */ |
| enum pm8xxx_led_modes { |
| PM8XXX_LED_MODE_MANUAL, |
| PM8XXX_LED_MODE_PWM1, |
| PM8XXX_LED_MODE_PWM2, |
| PM8XXX_LED_MODE_PWM3, |
| PM8XXX_LED_MODE_DTEST1, |
| PM8XXX_LED_MODE_DTEST2, |
| PM8XXX_LED_MODE_DTEST3, |
| PM8XXX_LED_MODE_DTEST4 |
| }; |
| |
| /* current boost limit */ |
| enum wled_current_bost_limit { |
| WLED_CURR_LIMIT_105mA, |
| WLED_CURR_LIMIT_385mA, |
| WLED_CURR_LIMIT_525mA, |
| WLED_CURR_LIMIT_805mA, |
| WLED_CURR_LIMIT_980mA, |
| WLED_CURR_LIMIT_1260mA, |
| WLED_CURR_LIMIT_1400mA, |
| WLED_CURR_LIMIT_1680mA, |
| }; |
| |
| /* over voltage protection threshold */ |
| enum wled_ovp_threshold { |
| WLED_OVP_35V, |
| WLED_OVP_32V, |
| WLED_OVP_29V, |
| WLED_OVP_37V, |
| }; |
| |
| /** |
| * wled_config_data - wled configuration data |
| * @num_strings - number of wled strings supported |
| * @ovp_val - over voltage protection threshold |
| * @boost_curr_lim - boot current limit |
| * @cp_select - high pole capacitance |
| * @ctrl_delay_us - delay in activation of led |
| * @dig_mod_gen_en - digital module generator |
| * @cs_out_en - current sink output enable |
| * @op_fdbck - selection of output as feedback for the boost |
| */ |
| struct wled_config_data { |
| u8 num_strings; |
| u8 ovp_val; |
| u8 boost_curr_lim; |
| u8 cp_select; |
| u8 ctrl_delay_us; |
| bool dig_mod_gen_en; |
| bool cs_out_en; |
| bool op_fdbck; |
| }; |
| |
| /** |
| * pm8xxx_led_config - led configuration parameters |
| * @id - LED id |
| * @mode - LED mode |
| * @max_current - maximum current that LED can sustain |
| * @pwm_channel - PWM channel ID the LED is driven to |
| * @pwm_period_us - PWM period value in micro seconds |
| * @default_state - default state of the led |
| * @pwm_duty_cycles - PWM duty cycle information |
| */ |
| struct pm8xxx_led_config { |
| u8 id; |
| u8 mode; |
| u16 max_current; |
| int pwm_channel; |
| u32 pwm_period_us; |
| bool default_state; |
| struct pm8xxx_pwm_duty_cycles *pwm_duty_cycles; |
| struct wled_config_data *wled_cfg; |
| }; |
| |
| /** |
| * pm8xxx_led_platform_data - platform data for LED |
| * @led_core - array of LEDs. Each datum in array contains |
| * core data for the LED |
| * @configs - array of platform configuration parameters |
| * for each LED. It maps one-to-one with |
| * array of LEDs |
| * @num_configs - count of members of configs array |
| */ |
| struct pm8xxx_led_platform_data { |
| struct led_platform_data *led_core; |
| struct pm8xxx_led_config *configs; |
| u32 num_configs; |
| }; |
| #endif /* __LEDS_PM8XXX_H__ */ |