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f1189989 TF |
1 | /* |
2 | * Copyright (C) 2013 Samsung Electronics Co., Ltd. | |
3 | * | |
4 | * This program is free software; you can redistribute it and/or modify | |
5 | * it under the terms of the GNU General Public License version 2 as | |
6 | * published by the Free Software Foundation. | |
7 | * | |
8 | * This program is distributed in the hope that it will be useful, | |
9 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
10 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
11 | * GNU General Public License for more details. | |
12 | * | |
13 | * You should have received a copy of the GNU General Public License | |
14 | * along with this program. If not, see <http://www.gnu.org/licenses/>. | |
15 | */ | |
16 | #ifndef __CLOCKSOURCE_SAMSUNG_PWM_H | |
17 | #define __CLOCKSOURCE_SAMSUNG_PWM_H | |
18 | ||
19 | #include <linux/spinlock.h> | |
20 | ||
21 | #define SAMSUNG_PWM_NUM 5 | |
22 | ||
11ad39ed TF |
23 | /* |
24 | * Following declaration must be in an ifdef due to this symbol being static | |
25 | * in pwm-samsung driver if the clocksource driver is not compiled in and the | |
26 | * spinlock is not shared between both drivers. | |
27 | */ | |
28 | #ifdef CONFIG_CLKSRC_SAMSUNG_PWM | |
7aac482e | 29 | extern spinlock_t samsung_pwm_lock; |
11ad39ed | 30 | #endif |
7aac482e | 31 | |
f1189989 TF |
32 | struct samsung_pwm_variant { |
33 | u8 bits; | |
34 | u8 div_base; | |
35 | u8 tclk_mask; | |
36 | u8 output_mask; | |
37 | bool has_tint_cstat; | |
38 | }; | |
39 | ||
f9bb48a2 TF |
40 | void samsung_pwm_clocksource_init(void __iomem *base, |
41 | unsigned int *irqs, struct samsung_pwm_variant *variant); | |
42 | ||
f1189989 | 43 | #endif /* __CLOCKSOURCE_SAMSUNG_PWM_H */ |