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files >> //lib/modules/5.4.0-153-generic/build/include/linux/intel-pti.h
/* SPDX-License-Identifier: GPL-2.0-only */ /* * Copyright (C) Intel 2011 * * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ * * The PTI (Parallel Trace Interface) driver directs trace data routed from * various parts in the system out through the Intel Penwell PTI port and * out of the mobile device for analysis with a debugging tool * (Lauterbach, Fido). This is part of a solution for the MIPI P1149.7, * compact JTAG, standard. * * This header file will allow other parts of the OS to use the * interface to write out it's contents for debugging a mobile system. */ #ifndef LINUX_INTEL_PTI_H_ #define LINUX_INTEL_PTI_H_ /* offset for last dword of any PTI message. Part of MIPI P1149.7 */ #define PTI_LASTDWORD_DTS 0x30 /* basic structure used as a write address to the PTI HW */ struct pti_masterchannel { u8 master; u8 channel; }; /* the following functions are defined in misc/pti.c */ void pti_writedata(struct pti_masterchannel *mc, u8 *buf, int count); struct pti_masterchannel *pti_request_masterchannel(u8 type, const char *thread_name); void pti_release_masterchannel(struct pti_masterchannel *mc); #endif /* LINUX_INTEL_PTI_H_ */
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