| /* Copyright (c) 2013-2014, 2016 The Linux Foundation. All rights reserved. |
| * |
| * This program is free software; you can redistribute it and/or modify |
| * it under the terms of the GNU General Public License version 2 and |
| * only version 2 as published by the Free Software Foundation. |
| * |
| * This program is distributed in the hope that it will be useful, |
| * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| * GNU General Public License for more details. |
| */ |
| |
| #ifndef _LINUX_CORESIGHT_CTI_H |
| #define _LINUX_CORESIGHT_CTI_H |
| |
| #include <linux/list.h> |
| |
| struct coresight_cti_data { |
| int nr_ctis; |
| const char **names; |
| }; |
| |
| struct coresight_cti { |
| const char *name; |
| struct list_head link; |
| }; |
| |
| #ifdef CONFIG_CORESIGHT_CTI |
| extern struct coresight_cti *coresight_cti_get(const char *name); |
| extern void coresight_cti_put(struct coresight_cti *cti); |
| extern int coresight_cti_map_trigin( |
| struct coresight_cti *cti, int trig, int ch); |
| extern int coresight_cti_map_trigout( |
| struct coresight_cti *cti, int trig, int ch); |
| extern void coresight_cti_unmap_trigin( |
| struct coresight_cti *cti, int trig, int ch); |
| extern void coresight_cti_unmap_trigout( |
| struct coresight_cti *cti, int trig, int ch); |
| extern void coresight_cti_reset(struct coresight_cti *cti); |
| extern int coresight_cti_set_trig(struct coresight_cti *cti, int ch); |
| extern void coresight_cti_clear_trig(struct coresight_cti *cti, int ch); |
| extern int coresight_cti_pulse_trig(struct coresight_cti *cti, int ch); |
| extern int coresight_cti_enable_gate(struct coresight_cti *cti, int ch); |
| extern void coresight_cti_disable_gate(struct coresight_cti *cti, int ch); |
| extern void coresight_cti_ctx_save(void); |
| extern void coresight_cti_ctx_restore(void); |
| extern int coresight_cti_ack_trig(struct coresight_cti *cti, int trig); |
| #else |
| static inline struct coresight_cti *coresight_cti_get(const char *name) |
| { |
| return NULL; |
| } |
| static inline void coresight_cti_put(struct coresight_cti *cti) {} |
| static inline int coresight_cti_map_trigin( |
| struct coresight_cti *cti, int trig, int ch) |
| { |
| return -ENODEV; |
| } |
| static inline int coresight_cti_map_trigout( |
| struct coresight_cti *cti, int trig, int ch) |
| { |
| return -ENODEV; |
| } |
| static inline void coresight_cti_unmap_trigin( |
| struct coresight_cti *cti, int trig, int ch) {} |
| static inline void coresight_cti_unmap_trigout( |
| struct coresight_cti *cti, int trig, int ch) {} |
| static inline void coresight_cti_reset(struct coresight_cti *cti) {} |
| static inline int coresight_cti_set_trig(struct coresight_cti *cti, int ch) |
| { |
| return -ENODEV; |
| } |
| static inline void coresight_cti_clear_trig(struct coresight_cti *cti, int ch) |
| {} |
| static inline int coresight_cti_pulse_trig(struct coresight_cti *cti, int ch) |
| { |
| return -ENODEV; |
| } |
| static inline int coresight_cti_enable_gate(struct coresight_cti *cti, int ch) |
| { |
| return -ENODEV; |
| } |
| static inline void coresight_cti_disable_gate(struct coresight_cti *cti, int ch) |
| {} |
| static inline void coresight_cti_ctx_save(void){} |
| static inline void coresight_cti_ctx_restore(void){} |
| static inline int coresight_cti_ack_trig(struct coresight_cti *cti, int trig) |
| { |
| return -ENODEV; |
| } |
| #endif |
| |
| #endif |