forked from rubenslte/android_kernel_samsung_msm8226
Aparna Das
156a295239
Add support to reset each CoreSight cti device through sysfs. This disables all cross triggering functionality on cti device by unmapping all mapped cti trigins and cti trigouts and disabling the cti device. Change-Id: I4d1f48ad63e1317c893471e1818cd529dd2b002b Signed-off-by: Aparna Das <adas@codeaurora.org>
62 lines
1.9 KiB
C
62 lines
1.9 KiB
C
/* Copyright (c) 2013, 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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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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#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 -ENOSYS;
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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 -ENOSYS;
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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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#endif
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#endif
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