1*4882a593Smuzhiyun /* SPDX-License-Identifier: GPL-2.0-only */ 2*4882a593Smuzhiyun /* 3*4882a593Smuzhiyun * Copyright (c) 2016 Maxime Ripard. All rights reserved. 4*4882a593Smuzhiyun */ 5*4882a593Smuzhiyun 6*4882a593Smuzhiyun #ifndef _CCU_FRAC_H_ 7*4882a593Smuzhiyun #define _CCU_FRAC_H_ 8*4882a593Smuzhiyun 9*4882a593Smuzhiyun #include <linux/clk-provider.h> 10*4882a593Smuzhiyun 11*4882a593Smuzhiyun #include "ccu_common.h" 12*4882a593Smuzhiyun 13*4882a593Smuzhiyun struct ccu_frac_internal { 14*4882a593Smuzhiyun u32 enable; 15*4882a593Smuzhiyun u32 select; 16*4882a593Smuzhiyun 17*4882a593Smuzhiyun unsigned long rates[2]; 18*4882a593Smuzhiyun }; 19*4882a593Smuzhiyun 20*4882a593Smuzhiyun #define _SUNXI_CCU_FRAC(_enable, _select, _rate1, _rate2) \ 21*4882a593Smuzhiyun { \ 22*4882a593Smuzhiyun .enable = _enable, \ 23*4882a593Smuzhiyun .select = _select, \ 24*4882a593Smuzhiyun .rates = { _rate1, _rate2 }, \ 25*4882a593Smuzhiyun } 26*4882a593Smuzhiyun 27*4882a593Smuzhiyun bool ccu_frac_helper_is_enabled(struct ccu_common *common, 28*4882a593Smuzhiyun struct ccu_frac_internal *cf); 29*4882a593Smuzhiyun void ccu_frac_helper_enable(struct ccu_common *common, 30*4882a593Smuzhiyun struct ccu_frac_internal *cf); 31*4882a593Smuzhiyun void ccu_frac_helper_disable(struct ccu_common *common, 32*4882a593Smuzhiyun struct ccu_frac_internal *cf); 33*4882a593Smuzhiyun 34*4882a593Smuzhiyun bool ccu_frac_helper_has_rate(struct ccu_common *common, 35*4882a593Smuzhiyun struct ccu_frac_internal *cf, 36*4882a593Smuzhiyun unsigned long rate); 37*4882a593Smuzhiyun 38*4882a593Smuzhiyun unsigned long ccu_frac_helper_read_rate(struct ccu_common *common, 39*4882a593Smuzhiyun struct ccu_frac_internal *cf); 40*4882a593Smuzhiyun 41*4882a593Smuzhiyun int ccu_frac_helper_set_rate(struct ccu_common *common, 42*4882a593Smuzhiyun struct ccu_frac_internal *cf, 43*4882a593Smuzhiyun unsigned long rate, u32 lock); 44*4882a593Smuzhiyun 45*4882a593Smuzhiyun #endif /* _CCU_FRAC_H_ */ 46