| Thomas Gleixner | caab277 | 2019-06-03 07:44:50 +0200 | [diff] [blame] | 1 | /* SPDX-License-Identifier: GPL-2.0-only */ |
| Tomasz Figa | f118998 | 2013-04-20 23:22:13 +0200 | [diff] [blame] | 2 | /* |
| 3 | * Copyright (C) 2013 Samsung Electronics Co., Ltd. |
| Tomasz Figa | f118998 | 2013-04-20 23:22:13 +0200 | [diff] [blame] | 4 | */ |
| 5 | #ifndef __CLOCKSOURCE_SAMSUNG_PWM_H |
| 6 | #define __CLOCKSOURCE_SAMSUNG_PWM_H |
| 7 | |
| 8 | #include <linux/spinlock.h> |
| 9 | |
| 10 | #define SAMSUNG_PWM_NUM 5 |
| 11 | |
| Tomasz Figa | 11ad39e | 2013-04-06 02:40:36 +0200 | [diff] [blame] | 12 | /* |
| 13 | * Following declaration must be in an ifdef due to this symbol being static |
| 14 | * in pwm-samsung driver if the clocksource driver is not compiled in and the |
| 15 | * spinlock is not shared between both drivers. |
| 16 | */ |
| 17 | #ifdef CONFIG_CLKSRC_SAMSUNG_PWM |
| Tomasz Figa | 7aac482 | 2013-04-23 17:46:24 +0200 | [diff] [blame] | 18 | extern spinlock_t samsung_pwm_lock; |
| Tomasz Figa | 11ad39e | 2013-04-06 02:40:36 +0200 | [diff] [blame] | 19 | #endif |
| Tomasz Figa | 7aac482 | 2013-04-23 17:46:24 +0200 | [diff] [blame] | 20 | |
| Tomasz Figa | f118998 | 2013-04-20 23:22:13 +0200 | [diff] [blame] | 21 | struct samsung_pwm_variant { |
| 22 | u8 bits; |
| 23 | u8 div_base; |
| 24 | u8 tclk_mask; |
| 25 | u8 output_mask; |
| 26 | bool has_tint_cstat; |
| 27 | }; |
| 28 | |
| Tomasz Figa | f9bb48a2 | 2013-04-23 17:46:27 +0200 | [diff] [blame] | 29 | void samsung_pwm_clocksource_init(void __iomem *base, |
| 30 | unsigned int *irqs, struct samsung_pwm_variant *variant); |
| 31 | |
| Tomasz Figa | f118998 | 2013-04-20 23:22:13 +0200 | [diff] [blame] | 32 | #endif /* __CLOCKSOURCE_SAMSUNG_PWM_H */ |