1 /* SPDX-License-Identifier: GPL-2.0-only */ 2 /* 3 * Copyright (c) 2016 Maxime Ripard. All rights reserved. 4 */ 5 6 #ifndef _CCU_FRAC_H_ 7 #define _CCU_FRAC_H_ 8 9 #include <linux/clk-provider.h> 10 11 #include "ccu_common.h" 12 13 struct ccu_frac_internal { 14 u32 enable; 15 u32 select; 16 17 unsigned long rates[2]; 18 }; 19 20 #define _SUNXI_CCU_FRAC(_enable, _select, _rate1, _rate2) \ 21 { \ 22 .enable = _enable, \ 23 .select = _select, \ 24 .rates = { _rate1, _rate2 }, \ 25 } 26 27 bool ccu_frac_helper_is_enabled(struct ccu_common *common, 28 struct ccu_frac_internal *cf); 29 void ccu_frac_helper_enable(struct ccu_common *common, 30 struct ccu_frac_internal *cf); 31 void ccu_frac_helper_disable(struct ccu_common *common, 32 struct ccu_frac_internal *cf); 33 34 bool ccu_frac_helper_has_rate(struct ccu_common *common, 35 struct ccu_frac_internal *cf, 36 unsigned long rate); 37 38 unsigned long ccu_frac_helper_read_rate(struct ccu_common *common, 39 struct ccu_frac_internal *cf); 40 41 int ccu_frac_helper_set_rate(struct ccu_common *common, 42 struct ccu_frac_internal *cf, 43 unsigned long rate, u32 lock); 44 45 #endif /* _CCU_FRAC_H_ */ 46