mirror of
https://github.com/rd-stuffs/msm-4.14.git
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aec0797837
This is a snapshot of the coresight-cti driver as of msm-4.9 commit '11b572c36aa87d0fc208892840d20cd24719a4fa'. Fix unbalanced PM runtime calls. Vote for the CTI device to be turned off when we reset the device in order to save power. Change-Id: I2596a77f0df7b36c47a11800b3b922c014f81ed7 Signed-off-by: Rama Aparna Mallavarapu <aparnam@codeaurora.org>
94 lines
3.1 KiB
C
94 lines
3.1 KiB
C
/* Copyright (c) 2013-2014, 2017 The Linux Foundation. All rights reserved.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 and
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* only version 2 as published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*/
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#ifndef _LINUX_CORESIGHT_CTI_H
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#define _LINUX_CORESIGHT_CTI_H
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#include <linux/list.h>
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struct coresight_cti_data {
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int nr_ctis;
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const char **names;
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};
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struct coresight_cti {
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const char *name;
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struct list_head link;
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};
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#ifdef CONFIG_CORESIGHT_CTI
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extern struct coresight_cti *coresight_cti_get(const char *name);
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extern void coresight_cti_put(struct coresight_cti *cti);
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extern int coresight_cti_map_trigin(
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struct coresight_cti *cti, int trig, int ch);
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extern int coresight_cti_map_trigout(
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struct coresight_cti *cti, int trig, int ch);
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extern void coresight_cti_unmap_trigin(
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struct coresight_cti *cti, int trig, int ch);
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extern void coresight_cti_unmap_trigout(
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struct coresight_cti *cti, int trig, int ch);
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extern void coresight_cti_reset(struct coresight_cti *cti);
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extern int coresight_cti_set_trig(struct coresight_cti *cti, int ch);
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extern void coresight_cti_clear_trig(struct coresight_cti *cti, int ch);
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extern int coresight_cti_pulse_trig(struct coresight_cti *cti, int ch);
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extern int coresight_cti_enable_gate(struct coresight_cti *cti, int ch);
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extern void coresight_cti_disable_gate(struct coresight_cti *cti, int ch);
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extern void coresight_cti_ctx_save(void);
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extern void coresight_cti_ctx_restore(void);
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extern int coresight_cti_ack_trig(struct coresight_cti *cti, int trig);
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#else
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static inline struct coresight_cti *coresight_cti_get(const char *name)
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{
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return NULL;
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}
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static inline void coresight_cti_put(struct coresight_cti *cti) {}
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static inline int coresight_cti_map_trigin(
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struct coresight_cti *cti, int trig, int ch)
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{
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return -ENODEV;
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}
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static inline int coresight_cti_map_trigout(
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struct coresight_cti *cti, int trig, int ch)
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{
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return -ENODEV;
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}
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static inline void coresight_cti_unmap_trigin(
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struct coresight_cti *cti, int trig, int ch) {}
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static inline void coresight_cti_unmap_trigout(
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struct coresight_cti *cti, int trig, int ch) {}
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static inline void coresight_cti_reset(struct coresight_cti *cti) {}
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static inline int coresight_cti_set_trig(struct coresight_cti *cti, int ch)
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{
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return -ENODEV;
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}
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static inline void coresight_cti_clear_trig(struct coresight_cti *cti, int ch)
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{}
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static inline int coresight_cti_pulse_trig(struct coresight_cti *cti, int ch)
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{
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return -ENODEV;
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}
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static inline int coresight_cti_enable_gate(struct coresight_cti *cti, int ch)
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{
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return -ENODEV;
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}
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static inline void coresight_cti_disable_gate(struct coresight_cti *cti, int ch)
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{}
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static inline void coresight_cti_ctx_save(void){}
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static inline void coresight_cti_ctx_restore(void){}
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static inline int coresight_cti_ack_trig(struct coresight_cti *cti, int trig)
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{
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return -ENODEV;
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}
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#endif
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#endif
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