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74 lines
1.8 KiB
74 lines
1.8 KiB
/* SPDX-License-Identifier: GPL-2.0+ */ |
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/* TI K3 AM65 CPTS driver interface |
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* |
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* Copyright (C) 2020 Texas Instruments Incorporated - http://www.ti.com |
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*/ |
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#ifndef K3_CPTS_H_ |
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#define K3_CPTS_H_ |
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#include <linux/device.h> |
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#include <linux/of.h> |
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struct am65_cpts; |
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struct am65_cpts_estf_cfg { |
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u64 ns_period; |
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u64 ns_start; |
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}; |
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#if IS_ENABLED(CONFIG_TI_K3_AM65_CPTS) |
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struct am65_cpts *am65_cpts_create(struct device *dev, void __iomem *regs, |
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struct device_node *node); |
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int am65_cpts_phc_index(struct am65_cpts *cpts); |
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void am65_cpts_tx_timestamp(struct am65_cpts *cpts, struct sk_buff *skb); |
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void am65_cpts_prep_tx_timestamp(struct am65_cpts *cpts, struct sk_buff *skb); |
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void am65_cpts_rx_enable(struct am65_cpts *cpts, bool en); |
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u64 am65_cpts_ns_gettime(struct am65_cpts *cpts); |
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int am65_cpts_estf_enable(struct am65_cpts *cpts, int idx, |
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struct am65_cpts_estf_cfg *cfg); |
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void am65_cpts_estf_disable(struct am65_cpts *cpts, int idx); |
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#else |
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static inline struct am65_cpts *am65_cpts_create(struct device *dev, |
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void __iomem *regs, |
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struct device_node *node) |
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{ |
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return ERR_PTR(-EOPNOTSUPP); |
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} |
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static inline int am65_cpts_phc_index(struct am65_cpts *cpts) |
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{ |
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return -1; |
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} |
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static inline void am65_cpts_tx_timestamp(struct am65_cpts *cpts, |
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struct sk_buff *skb) |
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{ |
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} |
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static inline void am65_cpts_prep_tx_timestamp(struct am65_cpts *cpts, |
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struct sk_buff *skb) |
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{ |
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} |
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static inline void am65_cpts_rx_enable(struct am65_cpts *cpts, bool en) |
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{ |
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} |
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static inline s64 am65_cpts_ns_gettime(struct am65_cpts *cpts) |
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{ |
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return 0; |
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} |
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static inline int am65_cpts_estf_enable(struct am65_cpts *cpts, int idx, |
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struct am65_cpts_estf_cfg *cfg) |
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{ |
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return 0; |
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} |
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static inline void am65_cpts_estf_disable(struct am65_cpts *cpts, int idx) |
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{ |
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} |
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#endif |
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#endif /* K3_CPTS_H_ */
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