From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755493Ab1BXSJQ (ORCPT ); Thu, 24 Feb 2011 13:09:16 -0500 Received: from mga11.intel.com ([192.55.52.93]:59766 "EHLO mga11.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754639Ab1BXSHI (ORCPT ); Thu, 24 Feb 2011 13:07:08 -0500 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="4.62,219,1297065600"; d="scan'208";a="890936977" From: james_p_freyensee@linux.intel.com To: gregkh@suse.de Cc: linux-kernel@vger.kernel.org, suhail.ahmed@intel.com, james_p_freyensee@linux.intel.com, christophe.guerard@intel.com Subject: [PATCH 05/10] PTI header file. Date: Thu, 24 Feb 2011 10:06:59 -0800 Message-Id: <1298570824-26085-6-git-send-email-james_p_freyensee@linux.intel.com> X-Mailer: git-send-email 1.7.2.3 In-Reply-To: References: Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: J Freyensee This adds PTI header information for the PTI project. Signed-off-by: J Freyensee --- include/linux/pti.h | 39 +++++++++++++++++++++++++++++++++++++++ 1 files changed, 39 insertions(+), 0 deletions(-) create mode 100644 include/linux/pti.h diff --git a/include/linux/pti.h b/include/linux/pti.h new file mode 100644 index 0000000..94d05bc --- /dev/null +++ b/include/linux/pti.h @@ -0,0 +1,39 @@ +/* + * Copyright (C) Intel 2011 + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License 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. + * + * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ + * + * 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 PTI_H_ +#define PTI_H_ + +/* 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); +void pti_release_masterchannel(struct pti_masterchannel *mc); + +#endif /*PTI_H_*/ -- 1.7.2.3