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- /* 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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