| /* |
| * Intel Low Power Subsystem PWM controller driver |
| * |
| * Copyright (C) 2014, Intel Corporation |
| * |
| * Derived from the original pwm-lpss.c |
| * |
| * This program is free software; you can redistribute it and/or modify |
| * it under the terms of the GNU General Public License version 2 as |
| * published by the Free Software Foundation. |
| */ |
| |
| #ifndef __PWM_LPSS_H |
| #define __PWM_LPSS_H |
| |
| #include <linux/device.h> |
| #include <linux/pwm.h> |
| |
| #define MAX_PWMS 4 |
| |
| struct pwm_lpss_chip { |
| struct pwm_chip chip; |
| void __iomem *regs; |
| const struct pwm_lpss_boardinfo *info; |
| u32 saved_ctrl[MAX_PWMS]; |
| }; |
| |
| struct pwm_lpss_boardinfo { |
| unsigned long clk_rate; |
| unsigned int npwm; |
| unsigned long base_unit_bits; |
| bool bypass; |
| /* |
| * On some devices the _PS0/_PS3 AML code of the GPU (GFX0) device |
| * messes with the PWM0 controllers state, |
| */ |
| bool other_devices_aml_touches_pwm_regs; |
| }; |
| |
| struct pwm_lpss_chip *pwm_lpss_probe(struct device *dev, struct resource *r, |
| const struct pwm_lpss_boardinfo *info); |
| int pwm_lpss_remove(struct pwm_lpss_chip *lpwm); |
| int pwm_lpss_suspend(struct device *dev); |
| int pwm_lpss_resume(struct device *dev); |
| |
| #endif /* __PWM_LPSS_H */ |
