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