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