1 /* 2 * Copyright (c) 2016 Maxime Ripard. All rights reserved. 3 * 4 * This software is licensed under the terms of the GNU General Public 5 * License version 2, as published by the Free Software Foundation, and 6 * may be copied, distributed, and modified under those terms. 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 14 #ifndef _CCU_FRAC_H_ 15 #define _CCU_FRAC_H_ 16 17 #include <linux/clk-provider.h> 18 19 #include "ccu_common.h" 20 21 struct ccu_frac_internal { 22 u32 enable; 23 u32 select; 24 25 unsigned long rates[2]; 26 }; 27 28 #define _SUNXI_CCU_FRAC(_enable, _select, _rate1, _rate2) \ 29 { \ 30 .enable = _enable, \ 31 .select = _select, \ 32 .rates = { _rate1, _rate2 }, \ 33 } 34 35 bool ccu_frac_helper_is_enabled(struct ccu_common *common, 36 struct ccu_frac_internal *cf); 37 void ccu_frac_helper_enable(struct ccu_common *common, 38 struct ccu_frac_internal *cf); 39 void ccu_frac_helper_disable(struct ccu_common *common, 40 struct ccu_frac_internal *cf); 41 42 bool ccu_frac_helper_has_rate(struct ccu_common *common, 43 struct ccu_frac_internal *cf, 44 unsigned long rate); 45 46 unsigned long ccu_frac_helper_read_rate(struct ccu_common *common, 47 struct ccu_frac_internal *cf); 48 49 int ccu_frac_helper_set_rate(struct ccu_common *common, 50 struct ccu_frac_internal *cf, 51 unsigned long rate); 52 53 #endif /* _CCU_FRAC_H_ */ 54